One of the short stories included in Les Funambules had received the Prix du jeune écrivain de langue française in 1993.

Since then, Bello's has published nine novels, which have been translated into a dozen languages, such as German, Russian, Greek and Japanese.

Bello's main body of work, known as the Falsificateurs trilogy, centers around a secret international organization, the CFR, which falsifies reality and rewrites history.

Bello's trilogy has taken a new significance with the current debate about fake news, prompting him to give interviews in French and Canadian media.

In 2021, Bello founded The Population Project, an attempt at listing the full names and dates of birth of all humans alive.