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- Title
- Conundrum
- Language
- English
- Authors
- Brian Clegg
- Publisher
- Icon Books Ltd
- Released
- 2019
- Format
- Paperback
- Pages
- 240
- ISBN10
- 1785784102
- ISBN13
- 9781785784101
- Series
- Description
- How good are you at code-breaking? Can you solve this fiendish cumulative puzzle?


