1961*1st*Caliban’s Problem Book(Mathematical, Inferential & Cryptographic Puzzles) Hubert Phillips, S.T. Shovelton & G. Struan Marshall(Dover Pub)

Rare title this edition has been converted to hardback by adding what looks like linoleum cuts to the front and back. Ingenious puzzles and mathematical problems Hubert Phillips was known my the name “Caliban”  This special edition features eye-catching linoleum cuts on the cover and back, adding artistic flair to the collection of ingenious puzzles and complex mathematical problems.