Mathematics has always been my ‘weakness’. By weakness today I mean that I am in love with it. But I literally felt weak in my head also, when I was first i

More stimulating mathematics puzzles from bestselling author Paul Nahin How do technicians repair broken communications cables at the bottom of the ocean withou

The poems in this collection span the 40 years in which Geoff Rips has undertaken a deeply personal attempt to understand the mystery of things. The pieces para

Izzy Baxter has big plans—popstar plans. Ever since she was six, she’s dreamed of becoming the world’s next singing sensation. Now sixteen, her singing ca

After spending decades teaching chess to young children, Carol Ann Caronia has written Strategic Moves: Mind-Building Chess Exercises for Kids to share her exce