A boy wizard and his new friends are bound to work their first detective case on impossible thefts even before arriving at their first year at magical school.

Temsivar Greengrass is on his way to his first year at Hogwarts, one year after Voldemorts defeat by Harry Potter. His dream is to become an Auror, and he therefore jumps on the opportunity of solving impossible-seeming thefts on the Hogwarts Express. Helped by fellow first-years he has to navigate through various obstacles, not solely external.

This young adult story is fanfiction in the world of Harry Potter, but with mostly original characters in the vein of The Three Investigators.

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