Around 13000 pages...
Many!!
In his notebooks
His great imagination and curiosity.
His notebooks aren't necessarily a masterpiece (of literature). Leonardo's notebooks were actual notebooks, meaning that is where he sketched stuff, wrote down his ideas, drew his designs and even made notes about his personal finances. Leonardo's notebooks are a candid record into his life.
Paintings and inventions.
... that he used mirror writing.
In his notebooks
About 1587.
Leonardo de Vinci transcribed his thoughts into notebooks.
His great imagination and curiosity.
Paintings and inventions.
His notebooks aren't necessarily a masterpiece (of literature). Leonardo's notebooks were actual notebooks, meaning that is where he sketched stuff, wrote down his ideas, drew his designs and even made notes about his personal finances. Leonardo's notebooks are a candid record into his life.
In art: Mona Lisa, the Last Supper. His many notebooks, which reported his inventions and scientific studies.
Leonardo wrote a series of notebooks throughout his life, which have been compiled and printed in two volumes.
That he wrote backwards ("mirror writing").
Leonardo's notebooks were inherited by his pupil Francesco Melzi.
He wrote a treaty on Painting but, Leonardo's writing that is famous wasn't so much a book. His "Notebooks" are his most famous writing.
Leonardo da Vinci wrote most of his personal notes in mirror writing. Most of his notebooks were written in mirror writing.