Ryan's mom is tall
by Heather Jopling
illus. by Alyson Demoe
[Coburg, Ont.] : Nickname Press, 
 p. : ill. ; 19 cm.
ISBN: 0978073908; 9780978073909
Worldcat summary: This book will help parents, teachers and librarians to educate and expose young children to a variety of family relationships in today's society.