N
Nancy E. Krulik
The New Adventures of Mary-Kate and Ashley
Join Mary-Kate and Ashley Olsen as they solve mysteries in this fun children's series. From ballet studios to haunted castles, these young detectives use their wits to uncover secrets and catch culprits. It's a lighthearted mystery series perfect for young readers.

The case of the ballet bandit
The New Adventures of Mary-Kate and Ashley #2
The Case of the Christmas Caper
The New Adventures of Mary-Kate and Ashley #5
The Case of Thorn Mansion
The New Adventures of Mary-Kate and Ashley #10
The Case Of The Surfing Secret
New Adventures of Mary-Kate & Ashley #12
Case of the Rock Star's Secret
The Rock Star's Secret #1
The case of the creepy castle
The New Adventures of Mary-Kate and Ashley #19
Case of the Creepy Castle
New Adventures of Mary-Kate & Ashley #1
New Adventures of Mary-Kate & Ashley #31
New Adventures of Mary-Kate & Ashley #31
The Case of the Sundae Surprise
The New Adventures of Mary-Kate and Ashley #34
The Case of the Clue at the Zoo
The New Adventures of Mary-Kate and Ashley #39
The case of the Icy Igloo Inn
The New Adventures of Mary-Kate and Ashley #45
Case of the Icy Igloo Inn
The New Adventures of Mary-Kate and Ashley #45
The case of the unicorn mystery
The New Adventures of Mary-Kate and Ashley #46The books in The New Adventures of Mary-Kate and Ashley series are largely standalone mysteries, so they can be read in any order without missing crucial plot developments. Each book presents a new case for the twins to solve.
The book series is a tie-in to the direct-to-video musical mystery series of the same name, starring Mary-Kate and Ashley Olsen themselves. The videos often feature songs and follow the twins as they solve cases.
This series is primarily aimed at young readers, typically those in elementary school, due to its straightforward mysteries and lighthearted tone. It's suitable for children who enjoy detective stories without complex plots or scary elements.