Olivia Lock Diary for Girls - Pajama Dancer, 75 Pages, Hardbound, Lock & Keys. OLIVIA PAJAMA DANCER LOCK DIARY : This Olivia Lock Diary has 75 blank pages just waiting to store her thoughts and recollections of the day's happenings. COVER : Each diary has hard-bound covers, and a metal lock with two keys so her personal entries can always be kept private. VERSION SHOWS : The cover on his version shows Olivia with her Mother and Father, her 2 brothers William and Ian, and their pet dog Perry. FICTIONAL CHARACTER : Olivia is a fictional character in a series of children's books written and illustrated by Ian Falconer. SIZE : Overall measurements are 6 1/2W x 8 1/2H x 1/2D.