Under a bright mid-day sun, at almost Midsummer, Mr. Woodhouse was safely conveyed in his carriage, with one window down, to partake of this al-fresco party; and in one of the most comfortable rooms in the Abbey, especially prepared for him by a fire all the morning, he was happily placed, quite at his ease, ready to talk with pleasure of what had been achieved, and advise every body to come and sit down, and not to heat themselves.
There are no more uses of "fresco" in the book.
Show samples from other sources
I love Michelangelo’s ceiling fresco in the Sistine Chapel.
It took a moment before I realized that it was a leafy replica of Michelangelo’s fresco of Adam from the Sistine Chapel.
Ransom Riggs -- Miss Peregrine’s Home for Peculiar Children