There is no single novel titled Breaking Bad (Vo Vse Tyazhkie) that the show is based on, as it is an original TV creation. However, if you are looking for "useful essays" or books related to the series, here are the most relevant resources: Official and Analytical Books
: This is the definitive companion guide. It includes episode breakdowns, behind-the-scenes photos, and interviews with creator Vince Gilligan. skachat knigu vo vse tiazhkie
: For those interested in the writing process, the complete scripts for all seasons are available in PDF format. These are "useful" for studying dialogue and scene structure. There is no single novel titled Breaking Bad