Final answer:
Biographies, dictionaries, textbooks, and science books are written in the literary form of nonfiction.
Step-by-step explanation:
Biographies, dictionaries, textbooks, and science books are written in the literary form of nonfiction. Nonfiction is writing that presents factual information and real events. It includes genres such as biographies, dictionaries, encyclopedias, and textbooks which aim to inform and educate readers.