The Familiars series (my son could not get enough!)--Adam Jay Epstein
All EB White books-- Charlotte's Web, Trumpet of the Swan, Stuart Little
The Cricket in Times Square-George Seldon
Mrs. Frisby and the Rats of NIHM-Robert C. O'Brien
My Father's Dragon series--Ruth Stiles Gannett
Roald Dahl books--James and the Giant Peach, Charlie and the Chocolate Factory
The Borrowers--Mary Norton
The Humphrey series--Betty G. Birney
Little House on the Prairie series (books 1-5)- Laura Ingalls Wilder