For those using devices with iOS or macOS, an Apple Books version of the Atlas is available for free download from the Apple Book Store:

https://books.apple.com/us/book/histology-atlas/id1557645468?ls=1

For those using devices with Android or Windows/Linux operating systems, a free downloadable epub version of the Atlas is available at the following link:

 https://gup.unige.it/Histology-Atlas