He's a Melbourne mortgage broker who once penned a book about his sexual exploits titled Around the World in 80 Babes.

But the explicit story line has now come back to haunt him, as he seeks Liberal preselection in one of the city's most progressive seats.

In revelations that have reignited concerns about the Liberal Party's vetting process, political aspirant Nigel Gohl has come under fire after the contents of his book resurfaced ahead of next month's preselection battle for the state seat of Prahran.

The book is the story of a modern Casanova who spends his days pursuing women around the world, "from European princesses, to English slappers, to American cheerleaders".