The Hidden Room #2By: Dori Hillestad Butler Illustrator: Tim Budgen Series: The Treasure Troop From Edgar Award Winner Dori Hillestad Butler comes a new chapter book mystery series, The Treasure Troop! Join Marly, Sai, and Isla, three code cracking kids on the hunt for an old neighbor's hidden treasure. In the second book of this code busting series, Marly, Sai, and Isla are back on the hunt. After finding Mr. Summerling's hidden treehouse, they've discovered a new set