Unlike driver manual in other states, the 2023 CA DMV drivers handbook is very condensed and straight to the point, you really cannot throw that much stuff out of it and will have to go over almost all of the 116 pages of the booklet. Don't make the same mistake, read the DMV drivers handbook and nail the permit test the first time you take it!
The number of people who opt into taking the permit test without opening the drivers manual even once is simply mind-boggling. If we were to pick the most underappreciated, ignored and disregarded study resource for the DMV written test - the 2023 California drivers handbook would be our our choice and we would never give it a second thought.