1)How does the author create tension in this story? Bella likes Mateo, a boy who smiled at her once in the library.

Abuela reveals that she once loved a boy in her native Cuba.

An unknown admirer leaves a love letter each day for Bella at her home.

Bella plans to use her detecting skills to solve the mystery of the letters.

2)How does the author craft the story to create surprise?

Bella runs an errand for Abuela, hoping another letter will arrive while she's gone.

Abuela finally tells Bella and her mother about her family's abrupt departure from Cuba.

Alejandro's identity as the writer of the love letters is withheld until the end of the story.

Abuela encourages her daughter to allow Bella to have a chance at love after the flashback.