This book compiles life wisdom for 20-year-olds, based on a popular lecture at Stanford University. - Title: What I Wish I Knew When I Was 20 - Author: Tina Seelig - Publisher: CCC Media House I purchased this book new, but please understand that it has been read once and has been stored by a non-professional. I will offer a discount if you purchase it with other books. The amount of the discount will vary depending on whether it's combined with a paperback, so please feel free to ask.