Wow Wow Wubbzy! is a series of "for kids under 3" books, offered at Taco Bell.
- Wubbzy's Kooky Tail, offered in early 2011.
- Wubbzy's School Surprise!; ¡La sorpresa Escolar do Wubbzy! was available in October 2011, alongside Rob Dyrdek's Wild Grinders. The title was offered as part of a prizepack elsewhere, in fall 2010, but does not appear to have been given an ISBN, as it doesn't show in WorldCat.
- Wubbzy's Fire Engine was released in October 2011, alongside Konami
- Zoo Hullabaloo; El Zoológico Hullabaloo.
- Wubbzy in the Middle; Wubbzy en el Medio.
- Too Much of a Doodle Thing; Demasiadas Doodlemoras.
- All Bottled Up!; ¡Todo embotellado!.
- Title unreadable. According the the net and yellow flutterfly, it must be based off Flight of the Flutterfly.
Fraggle Rock books replaced Wow Wow Wubbzy! in 2012.