Considering how popular the Flask Web Framework is, there is shockingly little educational content available when it comes time to learn it.

In practice there are only two up-to-date, highly recommended books. The first one is available on Amazon but the second is an online-only book.

A comprehensive beginner-friendly tutorial. Also available online.

An intermediate-level guide to full-stack Flask from the creator of Real Python. An amazing resource.

There are also two excellent and free online guides: