Rachel: This one's from Joey... Feels like a book... I think it's a book... and it's a book!
Phoebe: Oh, it's Dr. Seuss!
Joey: That book got me through some tough times.
Joey buys Rachel Dr. Seuss' book Oh the Places You'll Go. Dr Seuss is a famous children's author who also wrote Cat in the Hat and How The Grinch Stole Christmas. Oh the Places You'll Go has gained popularity as a graduation gift.