This is a book of shapes. There are Triangles, Diamonds, and Spirals, Oh my! But there is much, much more. This book is about learning how to be a geometer (and more generally how to be a mathematical thinker).

# A One Year Old and One Lonely Fish

Since 7/10/2017 is the first day of a week full of palindrome dates (see sidebar of this page for more on this), this week’s post is inspired by my little palindrome.

# Grad School Girlfriends and A Greedy Triangle

This post is about a picture book I read to our epsilons* at a recent get-together. Here we are with nine of the ten plus a best friend (the tenth was visiting grandparents).

# What is a Magical Math Book?

A magical math book is a book that inspires wonder, excitement, and/or delight for both reader and listener.