BC Class 1–4 study guide and books
Start with the free official guide — it is what the test is written from. Books only help if you want printed practice or a structured course.
- 2 official
Free
Official guide
Driving Commercial Vehicles (ICBC)
Insurance Corporation of British Columbia · Free PDF; print copies at driver licensing offices
ICBC's official guide for Class 1 to 4 licences, the air brake endorsement and the heavy trailer endorsement (2024 edition). Use its licence study chart to see which chapters your class needs; chapters 8 to 10 are the air brake material. Every question on this site cites a page of it.
Learn to Drive Smart (ICBC)
Insurance Corporation of British Columbia · Free PDF
ICBC's guide for all drivers. Commercial applicants also take a road signs test, and this guide's signs chapter, with chapter 11 of Driving Commercial Vehicles, is the place to study for it.