Right up your alley means something that is perfectly suited to a person's interests, skills, or tastes.
The expression comes from bowling. In bowling, the ball rolls down a long narrow lane called an alley, so something that goes right up your alley fits exactly where it should.
The expression comes from bowling. In bowling, the ball rolls down a long narrow lane called an alley, so something that goes right up your alley fits exactly where it should.
If you like puzzles and mysteries, this book will be right up your alley.