I Spy Year-Round Challenger

I Spy Year-Round Challenger is the fourth challenge book in the I Spy series. It has 31 pages of puzzles, and 36 pages overall.

Riddles

 * The Holly and the Ivy - January
 * Be My Valentine - February
 * Stegosaurus - March
 * Bulletin Board - April
 * Into the Woods - May
 * At the Beach - June
 * Prizes to Win - July
 * Mystery by the Sea - August
 * Chalkboard Fun - September
 * House on a Hill - October
 * Nature Close Up - November
 * Window Shopping - December