Novela gráfica basada en la historia por Ann M. Martin. Cada libro puede leerse por separado. «Stacey and Mary Anne are baby-sitting for the Pike family for two weeks at the New Jersey shore.»
Novela gráfica en pasta suave. «Double the trouble!…after Dany creates a duplicate of herself to help with homework and raise her social status, they accidentally unleash supernatural havoc around town.»