keyword: Science – 30 free books.
All these books are free to read: either they're distributed with a free license, or they're in the public domain.
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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.
Maria Eugênia Bruck de Moraes and Reinaldo Lorandi
Andrew Cherry et al. (editors)
Guido Altarelli and James Wells, editors
Hiroshi Ehara et al. (editors)
Bela H. Buck and Richard Langan, editors