There are 10 Spot the Dog books in total - eight Spot stories and two colouring books. They would make a lovely gift in its own right or, if you can bring yourself too, you could split up the collection and use the books in party bags if you've got a little celebration coming up.
The writing of the DOG books is rather juvenile and goes for the cheap rhyme instead of challenging the reader. It’s Shakespeare written at a Dan Brown level. Here’s a sampling of the iambic pentameter that I’ve read dozens if not hundreds of times: