Reccommended books
Canon
Canon 5D MkIII - David Busch
Photoshop
Photoshop CC 2014 - Weinmann & Lourekas
How Do I Do That in Photoshop - Scott Kelby
Lightroom
How Do I Do That in Lightroom - Scott Kelby
Lightroom CC for Digital Photographers - Scott Kelby
Flash
Speedliter's Handbook - Syl Arena
Creativity
Creative Visualisation for Photographers - Rick Sammon
The Creative Habit Learn it and use if for Life - Twyla Tharp
Steal Like an Artist - Austin Kleon
General
Light & Lighting - Michael Freeman
The Photographer's Eye - Michael Freeman
Travel Photography Masterclass - McWhinnie