A Cladistic Study of the Arctiidae (Lepidoptera) by Using Characters of Immatures and Adults by Nancy L. Jacobson
A Field Guide to Eastern Butterflies by Paul A. Opler
A Field Guide to Western Butterflies [hardcover] by Paul A. Opler
A Field Guide to Western Butterflies [paperback] by Paul A. Opler
A Revision of the Genus Hypochrysops C. & R. Felder - Lepidoptera - Lycaenidae by D. P. A. Sands
A Revision of the Genus Theope: Its Systematics and Biology: (Lepidoptera: Riodinidae: Nymphidiini) by Jason P. W. Hall
A World for Butterflies: Their Lives, Habitats and Future by Phillip J. Schappert
Amazing Butterflies & Moths (Eyewitness Junior) by John Still
An Atlas of the Distribution of the Butterflies in Bulgaria: (Lepidoptera: Hesperioidea & Papilionoidea) (Zoocartographia Balcanica, Volume 1) by Stanislav P. Abadjiev
An Obsession With Butterflies: Our Long Love Affair with a Singular Insect by Sharman Apt Russell
Are you a Butterfly? (Backyard Books) by Judy Allen
Atlas of Xenopus Development by Giovanni Bernardini
Attracting Butterflies & Hummingbirds to Your Backyard: Watch Your Garden Come Alive With Beauty on the Wing by Sally Roth
Becoming Butterflies by Megan Halsey
Bees and Butterflies (Busy Bugs Giant Sparkle Books) by Gina Phillips
Biology of Australian Butterflies (Monographs on Australian Lepidoptera Volume 6) by R. E. Jones
Biosystematic Studies of Conifer-Feeding Choristoneura (Lepidoptera: Tortricidae) in the Western United States by Jerry A. Powell
Bugs and Minibeasts: Spiders, Beetles & Bugs, Butterflies & Moths, Insects by Barbara Taylor
Butterflies by Richard Irwin Vane-Wright
Butterflies (Animal Kingdom) by Julie Murray
Butterflies (Animals of the Rain Forest) by Eric Braun
Butterflies (Animals) by Martin Schwabacher
Butterflies (First Step Nonfiction) by Melanie S. Mitchell
Butterflies (Insects) by Cari Meister
Butterflies (Nature's Friends) by Ann Heinrichs
Butterflies (Peterson Field Guides Color-In Books) by Robert Michael Pyle
Butterflies (Zoobooks Series) by Beth Wagner Brust
Butterflies and Moths (A True Book) by Larry Dane Brimner
Butterflies and Moths (Collins Gem) by Michael Chinery
Butterflies and Moths (Smithsonian Handbooks) by David J. Carter
Butterflies and Moths (True Books-Animals) by Larry Dane Brimner
Butterflies and Moths: A Guide to the More Common American Species by Robert T. Mitchell
Butterflies Fauna Sinica: Lycaenidae by Wang Ming
Butterflies Fly by Yvonne Winer
Butterflies in Flight by Roger Camp
Butterflies in the Garden by Carol Lerner
Butterflies in Your Pocket: A Guide to the Butterflies of the Upper Midwest by Steve Hendrix
Butterflies of Britain and Europe (Green Guide) by Robert Goodden
Butterflies of British Columbia by Crispin S. Guppy
Butterflies of Europe by Tom Tolman
Butterflies of Florida Field Guide by Jaret C. Daniels
Butterflies of Houston and Southeast Texas [hardcover] by John Tveten
Butterflies of Houston and Southeast Texas [paperback] by John Tveten
Butterflies of New England by Larry Weber
Butterflies of New Jersey: A Guide to Their Status, Distribution, Conservation, and Appreciation by Michael Gochfeld
Butterflies of North America [CD-ROM] by James A. Scott
Butterflies of North America [hardcover] by Jim P. Brock
Butterflies of North America [paperback] by Jim P. Brock
Butterflies of North Dakota: An Atlas and Guide by Ron Royer
Butterflies of the Carolinas Field Guide by Jaret C. Daniels
Butterflies of the North West by Mary Kate Woodward
Butterflies of the World by Valerio Sbordoni
Butterflies of the World (Fandex Family Field Guides) by Fandex
Butterflies of the World (Part 13: Parnassius Apollo) by Edwin Mohn
Butterflies of the World (Part 14: Papilionidae III) by Edwin Mohn
Butterflies of Transbaikal Siberia (The Butterflies of Palaearctic Asia III) by Vadim Tshikolovets
Butterflies of West Texas Parks and Preserves by Roland H. Wauer
Butterflies Through Binoculars: Florida: A Field, Finding, and Gardening Guide to Butterflies in Florida by Jeffrey Glassberg
Butterflies Through Binoculars: The West: A Field Guide to the Butterflies of Western North America by Jeffrey Glassberg
Butterflies, Bugs, and Worms (Young Discoverers: Biology Facts and Experiments) by Sally Morgan
Butterflies: A North American Field Guide by Jeffrey Glassberg
Butterflies: Ecology and Evolution Taking Flight by Carol L. Boggs
Butterfly by Linda Bygrave
Butterfly (Creepy Crawly World) by Neil Morris
Butterfly (Watch It Grow) by Barrie Watts
Butterfly Gardening: Creating Summer Magic in Your Garden by The Xerces Society
Butterfly Wings by Betty Parsonage
Caterpillars and Butterflies (Beginners) by Stephanie Turnbull
Caterpillars, Bugs and Butterflies (Take Along Guide) by Mel Boring
Chasing Monarchs by Robert Michael Pyle
Checklist of Lepidoptera of the Czech & Slovak Republics (Insecta: Lepidoptera) by Zdenek Lastuvka
Color and Learn Birds, Butterflies and Wild Flowers by Dover
Creating a Butterfly Garden: A Guide to Attracting and Identifying Butterfly Visitors by Marcus H. Schneck
Creepy Crawlies-Butterflies, Bees, Ladybugs, and More (Early Themes) by Jacqueline Clarke
Discovering Moths: Nighttime Jewels in Your Own Backyard by John Himmelman
DK Pockets: Butterflies and Moths by Barbara Taylor
Ecology and Conservation of Butterflies by Andrew S. Pullin
Elsevier's Dictionary of Butterflies and Moths by Murray Wrobel
Exotic Butterflies and Moths by Ruth Soffer
Exotic Butterfly Stickers by Anna Samuel
Fabulous Fluttering Tropical Butterflies by Dorothy Hinshaw Patent
Familiar Butterflies of North America (National Audubon Society Pocket Guide) by Richard K. Walton
Field Guide to Butterflies of the Greater Yellowstone Ecosystem by Diane M. Debinski
Florida Butterfly Gardening: A Complete Guide to Attracting, Identifying, and Enjoying Butterflies of the Lower South by Marc C. Minno
Flutter By, Butterfly (Nature Close-Ups) by Densey Clyne
Four Wings and a Prayer: Caught in the Mystery of the Monarch Butterfly by Sue Halpern
From Caterpillar to Butterfly by Deborah Heiligman
From Egg to Butterfly (Start to Finish) by Shannon Zemlicka
Garden Butterflies of North America: A Gallery of Garden Butterflies & How to Attract Them by Rick Mikula
Gardens for Birds, Hummingbirds, & Butterflies by Linda D. Harris
Guess Who Changes (Bookworms) by Sharon Gordon
Guide to the Butterflies of Russia and Adjacent Territories: Lepidoptera, Rhopalocera (Pensoft Series Faunistica, 18) by V. K. Tuzov
Guide to the Butterflies of the Palearctic Region (Satyrinae Part III) by G. C. Bozano
Handbook for Butterfly Watchers by Sarah Anne Hughes
Hawkmoths of the World: An Annotated and Illustrated Revisionary Checklist (Lepidoptera: Sphingidae) by Ian J. Kitching
How to Identify Butterflies by Richard Lewington
How to Spot Butterflies by Clay Sutton
I Wonder What It's Like to Be a Butterfly (Life Science Wonder Series) by Erin M. Hovanec
Iconographia: Tribus Gnorimoschemini (Lepidoptera, Gelechiidae) Regionis Palaercticae by Dalibor Povolny
Insects and Gardens: In Pursuit of a Garden Ecology by Eric Grissell
Introduction (Lepidoptera of Taiwan Series Vol 1, Pt 1) by J. B. Heppner
Introduction to Southern California Butterflies by Fred Heath
Keys to the Insects of the European Part of the USSR: Lepidoptera by G. S. Medvedev
Keys to the Insects of the European Part of the USSR: Lepidoptera, Part 1 by G. S. Medvedev
La Mariposa/Butterfly (Ciclos de la Vida de) by Angela Royston
Large White Butterfly: The Biology, Biochemistry, and Physiology of Pieris Brassicae (Linnaeus) by John Feltwell
Let's Go Buggy: The Ultimate Family Guide to Insect Zoos and Butterfly Houses by Troy Corley
Life As a Butterfly (Life As) by Victoria Parker
Magnificent Monarchs by Linda Glaser
Memories of a Monarch by J. Elaine Senack
Michigan Butterflies and Skippers: A Field Guide and Reference by Mogens C. Nielsen
Millions of Monarchs, Bunches of Beetles: How Bugs Find Strength in Numbers by Gilbert Waldbauer
Molecular Model Systems in the Lepidoptera by Marian R. Goldsmith
Monarch Butterflies (Pull Ahead Books) by Laura Hamilton Waxman
Monarch Butterfly by Gail Gibbons
Monarch Butterfly (Life Cycles) by Jason Cooper
Monarch Magic!: Butterfly Activities & Nature Discoveries (Williamson Kids Good Times) by Lynn Rosenblatt
Monarch Majesty a Rhyming Educational Story Coloring Book by Barbara Scherek
Monographs on Australian Lepidoptera Volume 4. Checklist of the Lepidoptera of Australia by E. Nielsen
Monographs on Australian Lepidoptera Volume 5. Oecophorine Genera of Australia 2 The Chezala, Philobota and Eulechria groups (Lepidoptera: Oecophoridae) by I. F. B. Common
Moths and Butterflies (Insects and Spiders) by Shane F. McEvey
Moths and Butterflies of North America (Animals in Order) by Ilka Katherine List
Moths of Australia by E. Slater
Nabokov's Blues: The Scientific Odyssey of a Literary Genius by Kurt Johnson
National Audubon Society Field Guide to North American Butterflies by Robert Michael Pyle
Night Fliers: Moths in Your Backyard (Backyard Bugs) by Nancy Loewen
Night Visions: The Secret Designs of Moths by Joseph Scheer
North America's Favorite Butterflies: A Pictorial Guide by Patti Putnam
Of Moths and Men: An Evolutionary Tale: The Untold Story of Science and the Peppered Moth by Judith Hooper
Peterson First Guide to Butterflies and Moths by Paul A. Opler
Peterson First Guide to Caterpillars of North America by Amy Bartlett Wright
Photographic Guide to the Butterflies of Britain and Europe by Tom W. Tolman
Phylogenetic Relationships within Heliodinidae and Systematics of Moths Formerly Assigned to Heliodines Stainton (Lepidoptera: Yponomeutoidea) by Yu-Feng Hsu
Plutella in the Hawaiian Islands: Relatives and Host-Races of the Diamondback Moth (Lepidoptera: Plutelidae) by Gaden S. Robinson
Simon and Schuster's Guide to Insects by Ross H. Arnett
Starting Life: Butterfly by Claire Llewellyn
Stokes Butterfly Book: The Complete Guide to Butterfly Gardening, Identification, and Behavior by Donald Stokes
Synopsis of Described Neotropical Blastobasinae (Lepidoptera: Gelechioidea: Coleophoridae) by David Adamski
Systematics and Phylogeny of Sparganothina and Related Taxa (Lepidoptera: Tortricidae: Sparganothini) by Bernard Landry
The Butterflies of Canada by Ross A. Layberry
The Butterflies of Cascadia: A Field Guide to All the Species of Washington, Oregon, and Surrounding Territories by Robert Michael Pyle
The Butterflies of Hong Kong by Mike Bascomb
The Butterflies of Papua New Guinea: Their Systematics and Biology by Michael Parsons
The Butterflies of Russia: Classification, Genitalia, Keys for Identification: Lepidoptera: Hesperioidea and Papilionoidea by Pavel Y. Gorbunov
The Butterflies of the White Mountains of New Hampshire by Warren J. Kiel
The Butterfly (Life Cycles) by Diana Noonan
The Butterfly Book: A Kid's Guide to Attracting, Raising, and Keeping Butterflies by Kersten Hamilton
The Butterfly Garden: Turning Your Garden, Window Box, or Backyard into a Beautiful Home for Butterflies by Mathew Tekulsky
The Butterfly Gardener's Guide by Claire Hagen Dole
The Elachistidae - Lepidoptera - Of Fennoscandia and Denmark (Fauna Entomologica Scandinavica) by E. Traugott-Olsen
The Families of Malesian Moths and Butterflies (Fauna Malesiana Handbooks, Vol. 3) by Jeremy D. Holloway
The Family Butterfly Book by Rick Mikula
The Geometroid Moths of North Europe - Lepidoptera - Drepanidae and Geometridae (Entomonograph) by Peder Skou
The Illustrated Encyclopedia of Butterflies by John Feltwell
The Lepidoptera: Form, Function and Diversity by Malcolm J. Scoble
The Life Cycle of a Butterfly by Bobbie Kalman
The Life Cycle of a Butterfly (Life Cycles) by Lisa Trumbauer
The Millennium Atlas of Butterflies in Britain and Ireland by Jim Asher
The Natural History of Moths by Mark Young
The Scythrididae - Lepidoptera - Of Northern Europe by B.A. Bengtsson
The Secret World of Butterflies and Moths by Ken Preston-Mafham
The Spirit of Butterflies: Myth, Magic, and Art by Maraleen Manos-Jones
The Wild Silk Moths of North America: A Natural History of the Saturniidae of the United States and Canada by Paul M. Tuskes
The Wildlife Trusts Guide to Butterflies and Moths by Nicholas Hammond
The Wonder of Butterflies (Animal Wonders) by Amy Bauman
The Yponomeutinae (Lepidoptera) of the World Exclusive of the Americas by S.A. Ulenberg
Tiger Moths of the Former Soviet Union (Insecta: Lepidoptera: Arctiidae (Pensoft Series Faunistica, 23) by Vladimir Murzin
Tortricidae (Lepidoptera) of Europe: Tortricinae & Chlidanotinae by Jozef Razowski
Waiting for Wings by Lois Ehlert
Wings of Paradise: The Great Saturniid Moths by John Cody
Wintermoths (Lepidoptera: Geometridae) in Oak Forests in Serbia by Mika Glavendekic
World Revision of the Genus Spodoptera Guenee (Lepidoptera: Noctuidae) (Memoirs of the American Entomological Society, 43) by American Entomological Society
Young Naturalist Pop-up Handbook: Butterflies by Robert Sabuda