Smart and gets things done : Joel Spolsky’s concise guide to finding the best technical talent / Joel Spolsky. Apress, 2007.
This is for the HR person charged with hiring programmers, and the software manager. It is also obliquely for the programmer who is unsure why he does not like his current job, and needs to know what questions to ask of a prospective employer.
Spolsky writes in a lucid and flowing manner, as you will know if you have been reading his previous books on software design and his blog.