Katharine Kenah's Family Favorite is her grandmother's grandmother's brownies. The recipe for these delicious, fudgy-rich treats has been passed down for generations.

Besides these delightful easy readers about Room 75, Katharine has written The Dream Shop, Eggs Over Easy, and many exciting nonfiction books for children. She lives with her family in Granville, Ohio.

John Grogan is an award-winning American journalist and author of the international bestsellers Marley and Me, which was made into a major feature film starring Jennifer Aniston and Owen Wilson, and The Longest Trip Home.

He lives in Pennsylvania with his family.

Catherine Hapka has published more than two hundred books for kids in all age groups from board books to young adult novels.

When she's not writing, Cathy enjoys horseback riding, animals of all kinds, reading, gardening, music, and travel.

Russell Hoban is the author of many famous novels, including Turtle Diary and Riddley Walker, which won the John W. Campbell Award for science fiction.

He also wrote over 50 children’s books, including such classics as The Mouse and His Child, The Sea-Thing Child and, most recently, Rosie’s Magic Horse and Soonchild.

Born in Pennsylvania in 1925, he moved in 1969 to London, where he lived until his death in 2011.

Arnold Lobel (1933-1987) was the award-winning author and illustrator of many beloved children's books, including the classic I Can Read books about Frog and Toad, and the Caldecott Medal winning Fables.