Some e-books allow multiple users and some do not. If you are unable to check out the book of your choice, please try again at a later date.
- EdX - 2000 free online courses from 140 leading institutions worldwide. All subject areas including many on professional development and leadership at the above link.
- Coursera - a large collection of online courses from top universities like Yale, Michigan, Stanford, and companies like Google and IBM. The link is to professional development courses; all subject areas are available.