UnderSurface is the sixth book by American author Mitch Cullin with illustrations by Peter I. Chang. It was first published in September 2002 as a hardback edition from The Permanent Press.

UnderSurface
AuthorMitch Cullin
IllustratorPeter I. Chang
PublisherPermanent Press
Publication date
September 2002
ISBN978-1-57962-077-6
OCLC47644338
813/.54 21
LC ClassPS3553.U319 U53 2002
Preceded byFrom the Place in the Valley Deep in the Forest 2001 
Followed byA Slight Trick of the Mind 2005