Book A is from Agent, B is Van Boef

A is from Agent is an exciting youth book written by Jan Terlouw. It follows the story of the young Rik, who one day becomes entangled in a mysterious and dangerous situation. Rik comes into contact with a secret agent who initiates him into the world of espionage and adventure. He soon discovers that his own life is in danger and that he must trust his smart insights and courage to save himself and others. The book is full of action, secrets and unexpected turns, and offers young readers a fascinating adventure in the world of secret agents.