[1] Lindqvist's debut novel, Let the Right One In (Låt den rätte komma in), a romantic vampire horror story published in 2004, enjoyed great success in Sweden and abroad.

Handling the Undead (Hanteringen av odöda) was published in 2005 and involved the rising of the dead as zombies, referred to as the "re-living", in the Stockholm area.

In 2006, he released his third book, Pappersväggar (Paper Walls, published in English as Let the Old Dreams Die), a collection of short stories.

His works are published in Sweden by Ordfront and have been translated into many languages, including English, Bulgarian, German, Italian, Spanish, Chinese, Hindi, Norwegian, Danish, French, Polish, Czech, Dutch and Russian.

Lindqvist's father drowned [citation needed] , and the sea has appeared in several of his works as a dark and sinister force, such as in Handling the Undead and a short story in Pappersväggar.