Therrie Rosenvald is a psychologist and author of a book called Fight Your Dark Shadow, which has been endorsed by Beyond Blue.  More information can be found at depressionmanaged.com

CBT is one of the most evidence based therapies for depression and anxiety.  We discuss the basis of CBT, the cognitive triad, core beliefs, cognitive distortions, automatic cognitive thoughts, the relation between thoughts feelings behaviours and physiology, history taking, principles of treating people with CBT including a few examples of techniques.

Further resources:

http://www.cci.health.wa.gov.au/

https://www.psychologytools.com/ 

Christine Padesky "mind over mood" book

Judith Beck CBT books

Enjoy friends