I made note of some of the titles in this thread - great idea to ask this question!

As a kid (and as an adult, too) -
all the "Little House" books
everything by Jean Little
everything by Madeline L'Engle
everything by Ruth Chew
The Annotated Alice
The Little Prince
(and tons more that aren't coming to mind)

As an adult -
Roots
The Children's Hospital by Chris Adrian
The Wives' Tale by Alix Wilbur
everything by Anne Tyler
most everything by Fay Weldon
most everything by Jaquelyn Mitchard
most everything by John Irving (especially Garp!)