“The Ambulance Made Two Trips” by Murray Leinster — a free Project Gutenberg ebook, available to read as an EPUB on BookMarket.
Subjects: Gangsters -- Fiction; Luck -- Fiction; Police -- Fiction; Science fiction; Short stories. Original source: https://www.gutenberg.org/ebooks/24149.
This ebook is in the public domain in the United States; the Project Gutenberg eBook license applies to the original text.