compendium
n.a collection of information or facts about a specific subject, usually found in one book. It is a short but complete summary of a larger topic.
n.a concise but comprehensive collection of information or a detailed summary of a particular subject. Often refers to a single-volume work that gathers diverse materials into a systematic arrangement.
“The book is a useful compendium of local history.”
“The researcher published a compendium of all known medicinal plants found in the Amazon rainforest.”
“This digital archive serves as a vast compendium of 18th-century legal documents, providing scholars with a centralized resource for comparative analysis across different jurisdictions.”
The plural form can be either 'compendiums' or 'compendia'.
From the Latin compendium (“that which is weighed together; a sparing, a saving, an abbreviation”), from com- (“with”) + pendō (“to weigh”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.