The Encyclopedia of Immaturity
The Encyclopedia of My Immaturity Journal
$19.99 – Hardcover book / Klutz Books
A journal for goofballs.
Announcing the last thing you would expect from The Encyclopedia of Immaturity people: a diary. We know "diary" sounds like it has the dearest little lock on it and maybe a kitten on the cover, w... Buy or find out more →
The Encyclopedia Of Immaturity Australian Edition
$29.99 – Hardcover book / Scholastic
The ultimate how-not-to-grow-up guide. The Encyclopedia of Immaturity contains more than 300 entries, all painstakingly explicated and illuminated with full-colour photographs, illustrations, diagrams and the occasional ... Buy or find out more →
Encyclopedia Of Immaturity
$32.99 – Hardcover book / Klutz Books
How to never grow up - the complete guide. More than 400 pages of skills, activities, mischief and secret knowledge are in this hard cover spiral bound book. Includes: The Klutz maturity quiz ear wiggling made easy how t... Buy or find out more →
The Encyclopedia Of Immaturity Volume Two All New Shenanigans
$32.99 – Hardcover book / Klutz Books
When we published The Encyclopedia of Immaturity in 2007, we knew it would make a great gift for someone's nephew. And, sure enough, people gave it to their nephews but also to their grandparents, brothers-in-law and acc... Buy or find out more →