Cambridge Imprint Hardback Notebooks are inspired by the slim patterned German Insel-Bucherei books of inter-war period, laterly the Ladybird Books in the United Kingdom).  They have 80 pages of plain cream paper, sewn properly and bound into a slim, light hardback notebook and covered in patterned paper, that opens completely flat.
 
Each notebook measures 18.5 cm tall by 12 cm wide.  The front cover has a rectangular cream label.