Ron Jacobs' (KHJ PD) book on the making of KHJ as a Top 40 station is now both expensive and hard to find in paper form. But Ron just released a revised and expanded version of the book in electronic form. For one tenth the price. $9.30
http://www.amazon.com/KHJ-Inside-Boss-R ... B009ND8YDA
You don't need a Kindle to read it. Just the free Kindle application, as explained at the link above.
Although it is not available on amazon.ca, I am not aware of any problems with Canadians buying it through amazon.com