keyword: Science – 100 free books.
All these books are free to read: either they're distributed with a free license, or they're in the public domain.
These books are included in the Directory of Open Access Books. This means that they have been peer-reviewed and are of interest to scholars.
Michael Dawson et al.
Maria Charles and Sarah Thébaud, editors
Brigitte Nerlich et al.
Maria Eugênia Bruck de Moraes and Reinaldo Lorandi
Karin Zachmann and Nina Möllers, editors