Little House on the Prairie by Laura Ingalls Wilder. These books got me through countless days home sick, holidays, and all my grade school. I even did a report on Laura Ingalls Wilder in fourth grade about famous Missourians and dressed up as her :)
Another book-to-clock example. Craft It: Turn a favorite old kids book into a clock! Full Tutorial (Great idea for sentimental moms who can't bear to throw away anything the wee ones have outgrown.I would love a Dr Seuss clock!
The Little House by Virginia Lee Burton. A Caldecott Medal winner in 1943 for her memorable picture book The Little House, a poignant story of a cute country cottage that becomes engulfed by the city that grows up around it. A classic!