Design Ideation Sketch : Multi-Media Paper Sketch Book for Pencil, Ink, Marker, Charcoal and Watercolor Paints. Great for Art, Design and Education. Made in The USA. 8.5" x 11" (1) : Amazon.co.uk:
Designing a Sketchbook Page
Good Books on Design Sketching (Updated October 2011) - Design Sojourn