Aunque el usuario busca una referencia específica ("221"), es importante destacar que la obra se estructura en entradas de diario. En estas, Arturo cuenta con humor sus cumpleaños, sus dudas escolares y sus experiencias más conmovedoras.

Muchos estudiantes y profesores buscan el libro en formato para facilitar su lectura y análisis.

Over forty years after its release, Pantalones Cortos is a monument of Costa Rican children's literature. It remains a in schools across the country, and its 40th anniversary was celebrated in 2022 with a roundtable discussion at the National Library of Costa Rica. The novel has also inspired a wealth of educational materials, including activity guides and analytical essays. This enduring presence in the classroom shows that while Arturo lives in a world without cell phones or the internet, his emotional world and experiences are timeless and universal.