If you loved exploring the creaky old Greenglass House alongside Milo and unraveling its secrets, you'll adore Winterhouse. Follow Elizabeth Somers as she arrives at the enchanting Winterhouse Hotel, filled with puzzles, hidden passageways, and a mysterious history. Like Milo, Elizabeth must use her wits and curiosity to piece together clues about her strange hosts and a magical book at the heart of the mystery.

If the intricate mysteries and clever twists of Greenglass House kept you turning pages, The Westing Game will do the same. You'll be swept up as sixteen heirs, including the clever Turtle Wexler, try to solve the eccentric Samuel Westing's will, packed with riddles and red herrings. Like Milo's adventure, every character holds a piece of the puzzle, making for a satisfying, twisty read.

If you enjoyed watching a diverse cast of characters—Milo, Meddy, and their guests—team up and unravel layered mysteries, you'll be drawn to York: The Shadow Cipher. Follow Tess, Theo, and Jaime as they band together to decipher the Old York Cipher, a centuries-old puzzle woven into their alternate New York City. The camaraderie and teamwork are just as engaging as in Greenglass House.

If the idea of kids taking on a high-stakes mission—just like Milo and his friends piecing together the Greenglass House mystery—excites you, you’ll love The Mysterious Benedict Society. Four gifted children are recruited to go undercover at a sinister institution, using their individual talents to complete a daring mission. The puzzles and teamwork echo the best parts of Milo’s quest.

If you delighted in the clever revelations and surprise turns of Greenglass House, When You Reach Me will capture your imagination. Follow Miranda as she unravels a series of mysterious notes that deliver a twist you won’t see coming, tying together seemingly unrelated threads in a way that’s both surprising and deeply satisfying.