Ada Twist Scientist 3 Pack Notebook Set  features Written in Stone™ FOLKUS Stone Paper.   The 3 pack features characters: Ada Twist, Scientist, Iggy Peck, Architect and Rosie Revere, Engineer.  FOLKUS Stone Paper is liquid/grease/tear/bacteria resistant and manufactured without trees, water or bleach. The 3 Pack of notebooks works well outdoors to jot down observations or for creative sketches.