Saturday is Pattyday
By Leslea Newman
Illustrated by Annette Hegel
Two Lives Publishing, 1993
978-0934678520
Ages 3 and up

Frankie used to live with his two moms, Allie and Patty, but they have separated.  When Frankie brings Doris Delores Brontausaurus to visit Allie in her new apartment,  he learns that Allie will always be part of his life.