Because printing processes use CMYK (cyan, magenta, yellow, black) inks, and the artwork you see on screen is RGB (red, green, blue), there will always be a slight difference between what you see on screen and what is printed. The appearance of your book also may be brighter on your screen due to the backlighting of monitor.
What we would usually recommend is getting a sample/proof copy done of your book - and then tweak the colour contents within your file accordingly.
If your software is capable of CMYK workflow, use CMYK-based colours, and convert source images to CMYK (e.g. using Photoshop) before placing them into your page layout program. For best colour conversion use a FOGRA colour profile if available.