Yo! Yes?
"An effective, unusual 34-word story of the beginnings of a friendship, accompanied by wild and wonderful illustrations. . . . (The) one- and two-word exchanges on each spread lead to a tentative offer of friendship, sealed as both boys jump high in the air and yell 'Yow!"--Starred review, "School Library Journal". Awards include Caldecott Honor Book, "The Horn Book" Fanfare List, American Library Association Notable Children's Book, and others.