One of the best property management books is "How to manage Real Estate Successfully in your spare time" by Albert Lowery. Written in the 1980's and has a lot of great mgt ideas. Have to search online for a copy.
What changes is the local laws,(province) and the new ways to collect rent electronically. People don't change. Bad Tenants continue to not pay rent, move without notice, and create damage. Good tenants do pay rent, move with proper notice and don't damage the property. Same in 1980 as in 2012.