Great places to browse and buy books:
Amazon Booksense Charlesbridge Publishing Clarion Books The Children’s Book Council Farrar, Straus & Giroux Books for Young Readers The Horn Book Junior Library Guild
Great places for writers and aspiring writers:
Agent Query Children’s Writer’s and Illustrator’s Chat Board Institute of Children’s Literature Jacket Flap – The Children’s Book Resource The Author’s Guild The Purple Crayon Society of Children’s Book Writers and Illustrators