On Google Play (selected countries only) you can get “Android Photography: Take better photos with your Android Phone or Tablet” by Colby Brown for free. It have 104 pages
As digital mobile technology continues to improve, the cameras in our devices have only gotten better and better. Considering that most of us carry our phones with us at all times, these devices have become our go-to option for capturing life around us. We carry our phones everywhere, documenting the big adventures and the quiet moments of our lives. This invaluable guide on how to better use the camera on your Android phone will make all the difference in the world as you capture and share the world around you with others.
You may get this from here