Trimble, Patti. What day is it? / Patti Trimble ; illustrated by Daniel Moreton. - 1st Green Light Readers ed. - San Diego : Harcourt, c2000. - 1 v. (unpaged) : col. ill. ; 22 cm. Gil the ant mistakenly believes that all of his friends have forgotten his birthday. 0.5 Perma-Bound Books. ISBN: 0152025065 : $9.80 LCCN: 99006816 Subjects--Topical Terms: Birthdays--Fiction.Ants--Fiction. LC Class. No.: PZ7.T73525 / Wh 2000 Dewey Class. No.: E