The Mont Blanc No. 145 is a small pocket-sized, rather nice notebook, with textured saffiano leather cover in the dark grey Flannel color. Heavy 70 gm paper, 96 sheets approx 3x4 1/3 inches. These sell online for $40. Get this one for $21 shipped CONUS.
The Moleskine Art Plus Sketchbook is a 3-1/2 x 5-1/2 Hard Cover notebook, 80 pages of seriously heavy 165 gm (111 lb) paper. You can buy it for $14.95 most places. $9 shipped CONUS.