Ainsworth, William Harrison
"Old Saint Paul's: A Tale of the Plague and the Fire" by William Harrison Ainsworth is a historical novel serialized in 1841. Set during London's devastating plague and fire of 1665-1666, it follows grocer Stephen Bloundel and his apprentice Leonard Holt through catastrophic events that transform the city. As disease ravages London and St. Paul's Cathedral becomes a refuge for the sick, love pursuits intertwine with murder, deception, and religious prophecy, culminating in the great conflagration that consumes the cathedral itself. (This is an automatically generated summary.)
These books are free to read. Each is in the public domain in the United States; check your own country's rules before you copy or share one.