La rana Mariana, tan alegre y despistada, ha perdido su dedal. ¿Cómo va a coser sin lastimarse sus delicadas patas? Ayuda a la rana a buscar su dedalito de plata día tras día y puerta tras puerta levantando las solapas en las casas de sus vecinos. Te invitamos a que la acompañes, ¡pues todo se hace mejor si nuestros amigos nos ayudan!Where is it? Lift the flaps to find itKnock, knock! Do you remember Nicolasa? It got a very warm reception from readers. In this new adventure by Mar Benegas, illustrated by Mariana Ruiz Johnson, it is the whale's turn to help her friend Mariana the frog seeking her lost silver thimble.Misplacing objects is an everyday occurrence, but finding them can be like going on a treasure hunt without a map. But as they say, there are no missing items. Only unsystematic searchers.Following the old advice, Mariana the frog, together with her friends, finds her way back to locate the lost thimble. As we all know, everything works out better when you do it with friends!