The Secrets of Angling was a book written by John Dennys. It was the earliest English poetical treatise on fishing, first published in 1613 in London. A didactic pastoral poem in 3 books, in the style of Virgil's Georgics. It was published in 4 editions until 1652, examples of which are amongst the rarest books in existence.
Dennys's poem was published anonymously, 4 years posthumously, and for 198 years the poem was misattributed, its authorship remaining a mystery until 1811.