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 of clues for them to follow, leading them straight to the heart of their mysterious neighbor’s life: his house. The same house Marly has been living next to all of these years, which, they discover, is filled with hidden rooms and staircases. With just a few scraps of papers as clues, and Mr. Summerling’s angry son on their tails, can the Treasure Troop find the answers they’re looking for?
 
Available in Hardcover, Paperback and Ebook

126 pages

Penguin Workshop 1/19/2021

HC ISBN: 978-0593094860, PB ISBN: 978-0593094853