This sequel to the author's Rapid Math Tricks and Tips uses the same simple format to introduce maths lovers to 50 new tricks, as well as a number of tips, anec... » 

This sequel to the author's Rapid Math Tricks and Tips uses the same simple format to introduce maths lovers to 50 new tricks, as well as a number of tips, anecdotes and challenges. It teaches two new tricks a day for 25 days, and has a Quick Quiz section to conclude each week. «