Mind Stretcher Books (2026)

What number should replace the And why might the victim have chosen this sequence to identify his attacker? (Answer logic: Each term is double the previous term, minus 1. So: 2×2−1=3, 3×2−1=5, 5×2−1=9, 9×2−1=17, 17×2−1=33. The attacker could be linked to “33” — a room number, age, or code.)

Here’s a short, original piece written in the style of a Mind Stretcher book — designed to flex logic, lateral thinking, and creativity. The Silent Witness mind stretcher books

Detective Miles found a single slip of paper at a crime scene. On it was written: No other clues remained. The victim had managed to scribble this sequence before losing consciousness. What number should replace the And why might

“He’s giving us the next number,” Miles whispered. minus 1. So: 2×2−1=3