Amazon has Ed Emberley’s Drawing Book: Make a World for $3.94 with FREE Super Saver Shipping and $35 purchase or FREE with Amazon Prime.
If you haven’t experienced Ed Emberley, they really are the cream of the crop for any budding sketch artist and would make a perfect Summer Boredom Buster item.
Pricing was current when the post was published, however Amazon prices change often, so please check before you buy.