Wiley has two categories of e-books, with different platforms and access models.
- Wiley Online Library: “O-books”. These appear in Gobi as being offered on the Wiley Online Library platform. They are DRM-free and have unlimited simultaneous user access. Gobi example: Genetics for Dummies.
- Wiley E-books. These are offered through aggregators such as EBL and ebrary. They have DRM and more restricted access, such as single user or limited multiple user. Gobi example: Advanced Structural Ceramics.