Totally Rad Book of Secrets (Adventure Time) by Unknown buy used Used & Rare price $6.92 new from$10.00 shop with confidence SPECIAL SHIPPING CONSIDERATIONS FOR USED & RARE ITEMS. Please see the special considerations for shipping Used & Rare items, including extended delivery times, possible import duties & taxes. Delivered in 3-5 weeks Publisher: Price Stern Sloan Condition: The following ISBNs are associated with this title: ISBN - 10:0843180110 ISBN - 13:9780843180114 Seller Comments: GOOD with average wear to cover and pages. We offer a no-hassle guarantee on all our items. Orders generally ship by the next business day. Default Text. From the Publisher This Adventure Time diary features 128 pages of amusingly designed pages that are the perfect place to chronicle your secret thoughts, record your dreams, or even write your own Fionna and Cake fan fiction. With the awesome yellow elastic enclosure, it will be like Jake is protecting your private thoughts from prying eyes.