I love smash books and have made several as gifts. I have kept one for myself for exactly the same reasons as you. Have you considered making your own using your favorite papers, stamps, embellishments, etc.? I buy chipboard for the pages and use my crop-o-dile to punch holes and then ribbon to bind the book. I also go to Michaels which sells pre-punched chipboard books and I mod podge pretty paper backgrounds. This is probably more than you asked for, but if you want to make a smash book check out Youtube for great tutorials.
As for Holly Bobby, I know they carry artist sketch books in varying sizes and paper thickness, so you may want to try there. Of course, get your 40% off coupon first on their website. The same goes for Michaels. Good Luck and enjoy!