This book, written by T. A. Marvin, titled "All I Really Needed to Know I Learned While Still in Diapers" is a signed copy that is sure to become a treasured addition to any self-help book collection. It was published by HarperCollins in 1991. The book is inscribed to Chris (Hägar the Horrible writer and illustrator) and Carrol Browne and signed by Tom Armstrong, making it a unique and valuable item for collectors. It includes original art by Tom Armstrong with a quip about Marvin being like Hägar but without the hat.

Written by and signed by Tom Armstrong, this vintage 1991 edition published by HarperCollins is a gem for collectors. With 96 pages this comic book is a great addition to your collection. The book is inscribed and it is a great find for anyone looking for a unique and interesting book.