The Shape of Ideas: An Illustrated Exploration of Creativity in 2017.
The smooth white pages of the sketchbook are mostly blank, except for a few pages interspersed with colorful illustrations; it lies flat for ease and comfort while drawing; it includes a pen holder and comes with an elastic binder to keep the book closed flat.
Grant Snider is an orthodontist by day and an artist by night. You can follow him on Twitter (@grantdraws) where he regularly posts thought-provoking illustrations such as this:
Do you doodle in your letters and on your envelopes? It's like sharing a piece of your self when you are willing to share your art. I do occasionally and would like to do it even more.