Crea mapas mentales. No líneas de texto. La Química es visual.

: The Amigos de la Química YouTube channel acts as a "perfect tandem" with the book, providing free video explanations for most topics. Free Alternative Study Guides (PDF)

For those looking for free resources in a similar vein, the author's YouTube channel

The "story" behind this book is the journey of its creator, Marta, a teacher known for her popular YouTube channel Amigos de la Química