The Thumbnail Notebook series is perfect for conceptualising thumbnails.

* Each book has 6 thumbnail boxes per spread
* Blue Dot grid interior
*90 pages of white 50lbs/105gsm paper
*Numbered pages
*Contents section 

(Also available in 40-page Saddle Stitched premium books with  70lbs paper  that open completely flat- *Dot versions have a dot grid surrounding the thumbnail box (plain versions do not).)