Can You Solve My Problems?

Are you smarter than a Singaporean ten-year-old?
Can you beat Sherlock Holmes?
If you think the answer is yes - I challenge you to solve my problems.

Here are 125 of the world-s best brainteasers from the last two millennia, taking us from ancient China to medieval Europe, Victorian England to modern-day Japan, with stories of espionage, mathematical breakthroughs and puzzling rivalries along the way.

Pit your wits against logic puzzles and kinship riddles, pangrams and river-crossing conundrums. Some solutions rely on a touch of cunning, others call for creativity, others need mercilessly logical thought. Some can only be solved be 2 per cent of the population. All are guaranteed to sharpen your mind. Let-s get puzzling!