This Book Serves No Useful Purpose ☜ 

Illustrated by Walter Lee. American Greetings/Zonk, 1972. The only other Zonk book title I was previously aware of was R. Crumb’s The Sad Book (my copy is an edition credited to American Greetings’ “Funny Books”) so I was thrilled to discover this odd little gem. (Thanks for the tip Scott.) See more Zonk items here.