The author is an industrial psychologist who has experience developing these kinds of skill tests used by private and public agencies to screen applicants for jobs requiring mechanical ability like skilled trade apprenticeships and some engineering professions.
This book describes 18 typical tests a person applying for jobs in the skilled trades would likely take that measure a person’s
mechanical aptitude and their spatial ability. The author explains all the questions and answers and gives test-taking tips using many diagrams and illustrations.
This is a good book not just for someone applying for these kinds of jobs, but also for a person who is exploring this kind of career path to give them an idea of their true aptitude for this type of work.