We publish digital books for teachers and learners of English. Digital books that are cross-platform and can be read on a PC or a Mac or on your iPad, tablet or smart phone. Intrinsic books are sold via our sales platform, flexitome.com Each book you buy is added to your online Library at Flexitome. Your Library is instantly accessible every time you log in to your Flexitome account. All Intrinsic digital books come with digital right management (DRM) and sections of books that are photocopiable are provided as downloadable PDFs.