Today is the day to teach your brain to play! We're pleased to announce the publication of our new puzzle book,
Presumptive Conundrums: Rhetorical Math Questions (+ Answers). It's been called our most surprising, thought-provoking, and laugh-inducing creation to date. Take advantage of the introductory price at
Amazon.com, or drop us an e-mail for a signed or review copy (our e-mail address is
on this page).