4763056
9781402721335
It's not elementary, but you will need Holmes's famed powers of deduction to solve these crafty puzzles. Here's how it goes: at the end of each condundrum, you'll find at least one condition - and sometimes more - that the solution must meet.Summers, George J. is the author of 'Logical Deduction Puzzles' with ISBN 9781402721335 and ISBN 1402721331.
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