Pagny by Florent, published by Fayard in early April, was co-written with Emmanuelle Cosso, writer and long-time friend of the singer. Sold nearly 32,000 copies in three days after 20 minutes, it now has more than 100,000 sales, despite a slowdown.
The singer, who has planned a festival tour this summer, made a surprise return during the semi-final of The Voice on Saturday night. He explained after his performance alongside the candidates that "chemo is behind me"