The Baby-Sitters Club books are wildly popular — again — and adults are loving the nostalgia

When the graphic novel remake of Ann M. Martin's book Claudia and the Bad Joke was the best-selling kids book in Canada earlier this month, it was time for bookworms to feel their hearts flutter with nostalgia. The original, part of the wildly popular The Baby-Sitters Club series, was published in 1988.