Color illus. by the author. Boston: Houghton Mifflin, (1974). Small 4to. Yellow cloth with wonderful big green Lyle on front. 6th printing. SIGNED. Fine in near Fine d/j with light wear at extremities & 1" tear at top of front panel. 
Lyle the Crocodile leaves his happy home on East 88th Street with the Primms to go in search of his mother.