# How should one approach reading Spectral Algebraic Geometry by Lurie?

A question posed at the nForum asked for a roadmap to learn Lurie's Higher Topos Theory. This MathOverflow question asked for a roadmap to Lurie's Higher Algebra. Still another question asked for a roadmap to learn derived algebraic geometry (DAG).

This question asks for a roadmap to spectral algebraic geometry (SAG), such as found in Lurie's Spectral Algebraic Geometry, which is more general than DAG, treating, for example, spectra of $$\mathbb{E}_\infty$$-rings (instead of only DG-rings).

Ideally, such a guide should include helpful sources other than Lurie's book (which are much rarer than references about DAG) and information about which parts should be skipped (at least on a first reading).