Red Stocking Society : secret of the S-Game
(Book)

"Preteen Bub Olney is disillusioned over Santa and upset his parents can't afford a coveted bike under the tree. Determined to own it, Bub lands a job at mysterious RSS, Inc. where eccentric workers bustle about on a secret mission called the S-Game. In a race against time and a spooky Red Phantom, Bub is charged to perform three good deeds before the bike is sold at auction. While playing the S-Game through harrowing twists and turns, can Bub overcome his self-centered nature to reignite his family's Santa spirit? And if so, might he finally learn the identity of S1--the real Santa?" --,(Source of summary not specified)