This is a wonderful book covering several classic math based tricks, such as magic squares, day for any date (calendar calculations), and also several uncommon ones. It also includes the first publication of the Fitch Cheney Five Card Trick under the effect name "Telephone Stud".

• Preface
• I Cryptesthesia
• II The Magic Square
• III Mnemonics With Figures
• IV Spelling The Cards
• V Bank Night With Seven Cards
• VI Some Odd Formulas
• VII New Dresses For Old Tricks
• VIII Fakerithmetic
• IX Multiplying On The Fingers
• X Mind Reading At The Blackboard
• XI Match Puzzle
• XII Spelling Thoughts
• XIII Casting Out The Nines
• XIV Telephone...