She created her own mono-alphabetic substitution cipher code. In this code, each letter of the alphabet was replaced by a symbol, making her journal entries look like scribbles to an untrained eye.
Sunday, January 27th
A little snow. A remarkable instance of a cat’s affection for her young offered at the burning of a Music Hall lately. A tabby cat had four kittens in a basket behind the stage. When the fire began she was seen rushing wildly about, and at last forced her way down a smoky corridor and returned with a kitten in her mouth. This she did three times and then eluding those who attempted to stop her, she went for the fourth and was not seen again, but her burnt body was found beside her kitten.
There was another story in the paper a week or so since. A gentleman had a favourite cat whom he taught to sit at the dinner-table where it behaved very well. He was in the habit of putting any scraps he left on to the cat’s plate. One day puss did not take his place punctually, but presently appeared with two mice, one of which it placed on its master’s plate, the other on its own.
Linder was a British businessman and an avid collector of Beatrix Potter memorabilia. He spent five years deciphering the code that Potter had invented when she was just 15 years old. The decoded diary provided a glimpse into Potter's life and the Victorian society in which she lived, offering a deeper understanding of the woman behind the beloved children's stories.
“I say fearlessly that the Michelangelo is hideous and badly drawn. No one will read this.”