A Moleskine Japanese Album. Sometimes this type of album is called an accordion album.
It has zig zag folded pages:
And as you can see, the pages are blank. Still no idea on what to draw in the album.
While I am figuring that out, one could always search the internet for some inspirational or beautiful examples of how others have used their accordion albums. Here are some I found, and liked:
Gail Behrmann Detail from Beyond the River and Into the Trees Book I, 2003 - 2009
by MariPili and Alicia Asuncion. Photo from Patricia Moreno's blog
by Samantha Zaza. Photo from Flickr.