This is the fifth book in the Diary of a Teenage Girl Ser. titled "I Do: Caitlin". Written by Melody Carlson, this young adult fiction book follows the life of Caitlin and her family as they navigate through the ups and downs of life. The book was published in 2005 by Crown Publishing Group, T.H.E. and has 272 pages.

The book measures 8.3 inches in length, 5.2 inches in width, and 0.7 inches in height. It weighs 10.8 ounces and is in the English language. The book covers various topics such as social themes, dating and relationships, family, marriage, and divorce, as well as religious and Christian relationships. This trade paperback book is perfect for anyone looking for an engaging and thought-provoking read.