I haven’t written anything as a primary author, but I have put together several books for which I was the primary editor/curator. Below, “Logos” means you can buy it in a digital edition in Logos Bible Software. “Print” is a link to buy a paperback from Amazon.
300 Sermon Illustrations from Charles Spurgeon (Logos)
Spurgeon Commentary: 2 Thessalonians/2 Timothy/Titus (Print)
1,500 Quotations for Preachers (Logos)