From www.ala.org: The Caldecott Medal was named in honor of 19th century English illustrator Randolph Caldecott. It is awarded annually by the Association for Library Service to Children, a division of the American Library Association, to the artist of the most distinguished American picture book for children.
2014: Locomotive by Brian Floca
2013: This is Not My Hat by Jon Klassen
2012: A Ball for Daisy by Chris Raschka
2011: A Sick Day for Amos McGee illustrated by Erin E. Stead, written by Philip C. Stead
2010: The Lion & the Mouse by Jerry Pinkney
2009: The House in the Night illustrated by Beth Krommes, written by Susan Marie Swanson
2008: The Invention of Hugo Cabret by Brian Selznick
2007: Flotsam by David Wiesner
2006: The Hello, Goodbye Window illustrated by Chris Raschka, written by Norton Juster
2005: Kitten's First Full Moon by Kevin Henkes
2004: The Man Who Walked Between the Towers by Mordicai Gerstein
2003: My Friend Rabbit by Eric Rohmann
2002: The Three Pigs by David Wiesner
2001: So You Want to Be President? Illustrated by David Small, written by Judith St. George
2000: Joseph Had a Little Overcoat Simms Taback
1999: Snowflake Bentley, Illustrated by Mary Azarian, written by Jacqueline Briggs Martin
1998: Rapunzel by Paul O. Zelinsky
1997: Golem by David Wisniewski
1996: Officer Buckle and Gloria by Peggy Rathmann
1995: Smoky Night illustrated by David Diaz, written by Eve Bunting
1994: Grandfather's Journey by Allen Say, edited by Walter Lorraine
1993: Mirette on the High Wire by Emily Arnold McCully
1992: Tuesday by David Wiesner
1991: Black and White by David Macaulay
1990: Lon Po Po: A Red-Riding Hood Story from China by Ed Young
1989: Song and Dance Man illustrated by Stephen Gammell, witten by Karen Ackerman
1988: Owl Moon illustrated by John Schoenherr, written by Jane Yolen
1987: Hey, Al illustrated by Richard Egielski, written by Arthur Yorinks
1986: The Polar Express by Chris Van Allsburg
1985: Saint George and the Dragon illustrated by Trina Schart Hyman, retold by Margaret Hodges
1984: The Glorious Flight: Across the Channel with Louis Bleriot by Alice & Martin Provensen
1983: Shadow translated and illustrated by Marcia Brown
1982: Jumanji by Chris Van Allsburg
1981: Fables by Arnold Lobel
1980: Ox-Cart Man illustrated by Barbara Cooney, written by Donald Hall
1979: The Girl Who Loved Wild Horses by Paul Goble
1978: Noah's Ark by Peter Spier
1977: Ashanti to Zulu: African Traditions illustrated by Leo & Diane Dillon, written by Margaret Musgrove
1976: Why Mosquitoes Buzz in People's Ears illustrated by Leo & Diane Dillon, retold by Verna Aardema
1975: Arrow to the Sun by Gerald McDermott
1974: Duffy and the Devil illustrated by Margot Zemach, retold by Harve Zemach
1973: The Funny Little Woman illustrated by Blair Lent, retold by Arlene Mosel
1972: One Fine Day illustrated and retold by Nonny Hogrogian
1971: A Story A Story illustrated and retold by Gail E. Haley
1970: Sylvester and the Magic Pebble by William Steig
1969: The Fool of the World and the Flying Ship illustrated by Uri Shulevitz, retold by Arthur Ransome
1968: Drummer Hoff illustrated by Ed Emberley, adapted by Barbara Emberley
1967: Sam, Bangs & Moonshine by Evaline Ness
1966: Always Room for One More illustrated by Nonny Hogrogian, written by Sorche Nic Leodhas
1965: May I Bring a Friend? illustrated by Beni Montresor, wriitten by Beatrice Schenk de Regniers
1964: Where the Wild Things Are by Maurice Sendak
1963: The Snowy Day by Ezra Jack Keats
1962: Once a Mouse illustrated and retold by Marcia Brown
1961: Baboushka and the Three Kings illustrated by Nicolas Sidjakov, written by Ruth Robbins
1960: Nine Days to Christmas illustrated by Marie Hall Ets, written by Marie Hall Ets and Aurora Labastida
1959: Chanticleer and the Fox illustrated and adapted by Barbara Cooney
1958: Time of Wonder by Robert McCloskey
1957: A Tree is Nice illustrated by Marc Simont, written by Janice Udry
1956: Frog Went A-Courtin' illustrated by Feodor Rojankovsky, retold by John Langstaff
1955: Cinderella, or the Little Glass Slipper illustrated and translated by Marcia Brown
1954: Madeline's Rescue by Ludwig Bemelmans
1953: The Biggest Bear by Lynd Ward
1952: Finders Keepers illustrated by Nicolas, written by Will
1951: The Egg Tree by Katherine Milhous
1950: Song of the Swallows by Leo Politi
1949: The Big Snow by Berta & Elmer Hader
1948: White Snow, Bright Snow illustrated by Roger Duvoisin, written by Alvin Tresselt
1947: The Little Island illustrated by Leonard Weisgard, written by Golden MacDonald
1946: The Rooster Crows by Maud & Miska Petersham
1945: Prayer for a Child illustrated by Elizabeth Orton Jones, written by Rachel Field
1944: Many Moons illustrated by Louis Slobodkin, written by James Thurber
1943: The Little House by Virginia Lee Burton
1942: Make Way for Ducklings by Robert McCloskey
1941: They Were Strong and Good by Robert Lawson
1940: Abraham Lincoln by Ingri & Edgar Parin d'Aulaire
1939: Mei Li by Thomas Handforth
1938: Animals of the Bible, A Picture Book illustrated by Dorothy P. Lathrop, written by Helen Dean Fish