Cómic en pasta suave. «Provides a gateway to otherwise daunting works of literature…The stories will atract reluctant readers. -School Library Journal»
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.»
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.»