Apex Adventures

A mystery envelope, a riddle, and time is running out…

A strange blue envelope greets the kids of Coral Canal the week before Independence Day. Inside it contains a riddle and a set of instructions.

… [more below]

• Series: Apex Adventures #4
• Author: Arrington, Jennifer
• Binding: Paperback
• Page Count: 192
• Publish Date: June 24 2025
• ISBN10: 9798992496246
• Language: English