The Aldens discover that one of Pikesville's little league coaches has been cheating all season, which is somehow related to a plan to raze the town's historic baseball field.
Little x is missing from Charley's Alphabet, and the other lowercase letters go off to solve the mystery of his disappearance, learning in the end how valuable a little x can be.
From the moment young Egan arrives in Instep, he senses the spell cast over the villagers by the Megrimum--the mysterious something that lurks on the mist-wreathed peak of Kneeknock Rise and soon he is climbing the peak for answers.
Joe Talbot and Wishbone set out to investigate when their friend Damont is accused of stealing an old basketball trophy from the basement of Timmy Ashbury, a new boy in town.