Our Exagmination Round His Factification for Incamination of Work in Progress is a 1929 collection of critical essays, and two letters, on the subject of James Joyce's book Finnegans Wake, then being published in discrete sections under the title Work in Progress.

All the essays are by writers who knew Joyce personally and who followed the book through its development: Two "letters of protest" are also included in the Exagmination, from G.V.L.

Slingsby" was the pseudonym of a woman journalist who complained about the difficulty of Work in Progress to Sylvia Beach, the publisher of Joyce's Ulysses.

The journalist complied, choosing her pseudonym from Edward Lear's The Story of the Four Little Children Who Went Round the World.

[2] Their assumption, however, was challenged and proven false by the discovery in the late 1970s of a number of books and letters authored by the historical Vladimir Dixon, a minor poet of Russian verse living in France during the 1920s.