Pro Photo Colorizing with GIMP – Phillip Whitt

Obtain techniques for adding color to black and white or monochrome photographic images using GIMP. In this book you'll also learn to create a hand-tinted effect to add an element of antiquity. Pro Photo Colorizing with GIMP also teaches techniques that enable you to selectively colorize images, mixing black and white with color. There are also tips to go the opposite way: converting color images into black and white (there's more to it than just removing color).