OwlCrate: Magical Monthly Reads. OwlCrate is a subscription box for people who love Young Adult fiction! Each of our boxes contains a newly published hardcover book, 3-5 other bookish goodies (jewelry, collectible toys, stationery), as well as exclusive items from publishers and authors. Each box has a fun and unique theme too! Brand new hard cover books. Exclusive items. 3-5 extra items each month. Unique monthly themes. Handmade items. US, Canadian and International Shipping.