The Aldens can't wait to go sightseeing in New York City, but they don’t have to look beyond their hotel to find a mystery. Messy rooms and missing phones are just the start of the problem. When someone dyes the pool purple, the Boxcar Children have to find the culprit before the pranks go too far.

The Milo & Jazz Mysteries stars two kid detectives-in-training who use STEM problem-solving skills as they race to unravel cases and save the day! Perfect for fans of Encyclopedia Brown, Cam Jansen and Nate the Great. How can a pool suddenly turn purple? And who could be behind it? Detective duo Milo and Jazz make a splash as they investigate their most colorful case yet! This ideal series for beginning readers making the transition to chapter books has incredible Super Sleuthing activities in each book, including hidden pictures, puzzles, mini-mysteries, and quizzes—plus free online activities.

Detectives-in-training Milo and Jazz must put their skills to the test to solve the mystery of how the water in the town swimming pool turned purple.

Milo and Jazz dive into solving a colorful new mystery using STEM problem-solving skills in this seventh chapter in the series. How can a pool suddenly turn purple? And who could be behind it? Detective duo Milo and Jazz make a splash as they investigate their most colorful case yet! The Milo & Jazz Mysteries is an ideal series for beginning readers making the transition to chapter books. It also features “Super Sleuthing” activities in each book, including hidden pictures, puzzles, mini-mysteries, and quizzes—plus free online activities.

Boxcar Children #32.

How can a pool suddenly turn purple? And who could be behind it? Detective duo Milo and Jazz make a splash as they investigate their most colorful case yet!

Henry, Jessie, Violet, and Benny help out at a general store, but they soon find that another girl who works there is acting strangely. She seems nervous and doesn't answer questions about her past. What secret is the mystery girl hiding?