Becca Heddle has written 18 non-fiction books so far, and 3 fiction, for a variety of ages.
Isaac Asimov wrote or edited more than 500 books. He wrote fiction and nonfiction. While best known for his science fiction, he wrote poetry, riddles, science text books, nonfiction for children, Bible commentaries, Shakespeare commentaries, and histories.
He wrote about 150 books, some of them nonfiction, some poetry, maybe about 30 specifically for children, tough to find a number.
Isaac Asimov had degrees in both biochemistry and chemistry. He wrote a number of nonfiction books including textbooks on science. In his science fiction, he had a number of scientist characters.
he wrote fourteen books
Ayn Rand's novels include We the Living, The Fountainhead, and Atlas Shrugged. She also wrote nonfiction books such as For the New Intellectual, The Virtue of Selfishness, and the Romantic Manifesto.
Asimov didn't write just in one genre, but his fiction was largely Science Fiction.
No he wrote his books in Latin.
Shakespeare did not write any books. He wrote plays, and lots of poetry, but he never wrote any books.
He has wrote over 45 books
Theadore Roosevelt wrote 18 books
Kate Cary wrote the books Bloodline and Reckoning.
He's written over 200 books (many of which are out of print), 200 magazine articles and short stories, and several plays.