I'm looking for the following books for QEI course/exam that I'll be taking in February and I'm trying to save money since they are outrageously expensive. I'm interested in either the physical copy or pdf versions.

ASME A17.1 - 2016 / CSA B44-16 Safety Code for Elevators and Escalators
ASME A17.2 - 2017 Guide for Inspection of Elevators, Escalators and Moving Walks
ASME A17.3 - 2017 Safety Code for Existing Elevators and Escalators
ASME A18.1 - 2017 / B355-15 Safety Standard for Platform Lifts and Stairway Chairlifts
ASME QEI-1 -2018 Standard for the Qualification of Elevator Inspectors-
ANSI/ASSE A10.4 - 2016 / CAN/CSA-Z 185 M87 (R2016) Safety Requirements for personnel Hoists and Employee Elevators/Safety Code for Personnel Hoists
NFPA 70 - 2017 / CSA C22.1 2015 National Electrical Code/Canadian Electrical Code
Elevator Industry Field Employees Safety Handbook – 2015