Standard eBooks offers updated and fixed public domain ebooks

A lot of the ebooks from Project Gutenberg suffer from poor typography and transcription errors. Standard Ebooks is fixing that:

Ebook projects like Project Gutenberg transcribe ebooks and make them available for the widest number of reading devices. Standard Ebooks takes ebooks from sources like Project Gutenberg, formats and typesets them using a carefully designed and professional-grade style guide, lightly modernizes them, fully proofreads and corrects them, and then builds them to take advantage of state-of-the-art ereader and browser technology.

For students, this part will help:

Older books often contain archaic spelling and hyphenation that can be distracting for today’s readers. On top of our strict typography standards, each Standard Ebook is lightly modernized to feature consistent and modern spelling and hyphenation, so old-fashioned ephemera doesn’t distract you from timeless content.

They also do “light” modernization of the text.

Older books often contain archaic spelling and hyphenation that can be distracting for today’s readers. On top of our strict typography standards, each Standard Ebook is lightly modernized to feature consistent and modern spelling and hyphenation, so old-fashioned ephemera doesn’t distract you from timeless content.