Colouring has recenly had a resurgence in popularity as an activity for adults. Not only is it a proven relaxation technique, it's simply fun.
Following is a list of colouring books to suit almost anyone on your gift list. (Most of these products are available through your favorite online bookseller, or possibly even your favorite local bookseller.)
For people who love to travel:
The Colorful Cities series - So far, this series, published in the USA, includes Seattle, Portland, and Tokyo. Books are $15.00 each, and postcard sets for Seattle and Portland are $11.00.
The Pictura™ series - The cities included in this series are London, New York, and Paris. One of the cool things about these is that they fold out into a panorama. $13.00 each.
For the nature lover:
Adams Media publishes several garden-themed books, including a couple that have pictures suitable for framing when they're done. ($12.00 and up)
Johanna Basford, who may be the one who instigated the comeback in the popularity of colouring books, has several nature-themed books, beginning with Secret Garden. Her products are available as wall calendars, postcards, notecards and frameable pictures.
($10.00 and up)
Coloring for Grownups - Two veterans of offbeat Internet humor hilariously combine the mindless fun of children’s coloring books with the mind-numbing realities of modern adult life in (paperback, $10.00)
64 drawings of beard men, from the temples of Antiquity to the streets of contemporary San Francisco, to color in every tint you want.
For the celebrity-struck:
Mel Elliott is a British artist whose online gift shop features everything from coloring books to paper dolls, t-shirts, and smartphone cases. Celebrity coloring books include Ryan Gosling, Cara Delevingne, and Benedict Cumberbatch. ($13.00 and up)