- EbookThe Principle of RelativityAlbert Einstein
- Ebook90 Masterpieces of World Literature (Vol.I)Walt Whitman
- Ebook90 Masterpieces You Must Read (Vol.1)Walt Whitman
- EbookThe Ultimate Book ClubWalt Whitman
- EbookSummertime Reading ListWalt Whitman
- Ebook90 World Classics You Should Read Before You Die (Vol.1)Jules Verne
- EbookSeries: Dover Books on PhysicsIlya Prigogine