Co-written with Ian McFadyen, of Comedy Company fame, The Lowest Depths is Professor Ross Fitzgerald’s forty-third book and the eighth in his Grafton Everest series. It follows the The Dizzying Heights (2019), also co-written with McFadyen. It is unprecedented in Australia, and perhaps in the English-speaking world, for eight political satires to be written chronologically, following the development of the same set of key characters. The closest I can think of are P.G. Wodehouse’s comic novels about the bumbling Bertie Wooster and his hugely intelligent manservant, Jeeves. But they do not develop, and Wodehouse has a stationary sense of time. The first Grafton…