A la señora Patrocinio su padre nunca le dijo si la quería o no. Per, a cambio, le dejó escrito un misterioso papel con la respuesta. Un enigma que "la Patro" no ha sido capaz de descifrar. Para ello, busca desesperadamente la ayuda del detective Calzeta y de su joven ayudante. Un caso difícil, que to llevará a pasar un verano de aventuras trepidantes en la montaña.--p. [4] cover. "Mrs. Patrocinio's father never told her if he loved her or not. But instead, he left her a mysterious paper on which the answer was written: a mystery that "La Patro" has never been able to decipher. In desperation. she asks for help from Detective Calzeta and his young assistant, Ruedas. The result is a difficult case, which will lead you to spend a summer full of heart-stopping adventures with them on the mountain."--anizeto website.