Esther Verhoef’s books have sold almost three million copies, making her one of the most successful writers in the Netherlands. Her thriller 'Alter Ego' is widely considered her strongest book to date.

Esther Verhoef (b. 1968) is one of the Netherlands’ most successful and versatile authors. No other writer of thriller fiction has received and been nominated for as many prizes. Her psychological thrillers and novels have sold almost three million copies in the Netherlands. She also writes under the pseudonym Nova Lee Maier.