En un colegio, las libretas de calificaciones desaparecen misteriosamente antes de ser entregadas a los apoderados. El inspector y los profesores interrogan a los alumnos sospechosos. La clave del misterio radica en una contradicción temporal y en las coartadas de los estudiantes. 2. El Caso del Asalto a la Joyería

A masked criminal’s identity is revealed through a careful analysis of his voice and mannerisms.

¿Te gustaría conocer la de alguno de los trece casos?

A bank is robbed in broad daylight, but the security cameras show nothing unusual. The reader must analyze the comings and goings of customers and employees to identify the clever thief who hid in plain sight.

(The Case of the Plaza Bank Robbery)

The book is unique because it transforms the reader into the detective. Each of the 13 short stories presents a crime or mystery—ranging from stolen jewelry to disappearing school notebooks—and provides all the necessary clues within the text for the reader to identify the culprit before the solution is revealed.

Suelen ser personas comunes como vecinos, compañeros de curso, tíos, jardinero o amigos. Todos tienen un motivo aparente para cometer la falta.

Most editions include a crossword puzzle after each case to further test the reader's attention to detail. Highlighted Cases & Culprits

Here's how you can find a paper copy:

Trece Casos Misteriosos is a classic of Chilean children's literature, co-authored by Jacqueline Balcells Ana María Güiraldes

– some public or school libraries may carry this book, especially in countries like Chile (where the author is from) or other Spanish-speaking regions.

Here is a list of legitimate ways to access the book in digital form:

: A star soccer player is kidnapped before a big match in Villalongo. The Case of the Muddy Motorcycle ( El caso de la moto embarrada