Unlock! Escape from the Catacombs

When ancient runes mysteriously begin to appear all over the school, Alex decides to find out what they mean. Together with his friends, he embarks on a dangerous adventure that will lead him into real catacombs. Along the way, the... guys will face dangerous traps — to survive, they need to solve complex puzzles and learn to make quick decisions. Every step could be the last! If you are ready to venture into the unknown, join in and help the detective team solve the mystery and come out safe and sound. Attention! This book should not be read like a usual one, page by page. Follow the instructions, moving through the chapters, and the story will change depending on the decisions you make.