Available on Amazon
Fuerzas de la Tierra — Our Planet · Volume 2
Kindle €4.99 and paperback €11.99.
ASIN B0H9NTW7HJ.
Available on Amazon
Accidentes geográficos y geológicos — Our Planet · Volume 1
Kindle €2.99 and paperback €10.39.
ASIN B0HB5YRB67.
Kindle available on Amazon
SUPERVIVIENTES — Zoología y Botánica · Vol. 1
The Spanish Kindle edition is available for €4.99. The €11.99 paperback edition remains under Amazon KDP review.
ASIN B0HBNWBZD5.
Direct website sales paused
Three edition types, clearly separated
Future direct sales will distinguish between one language, a two-file language pack and an integrated bilingual edition.
Individual edition
Spanish or English. The most economical option.
Spanish + English Pack
Two complete and separate files.
Special Bilingual Edition
Both languages integrated into a single book with its own layout.
The notification list is free. No payment or bank details are required.
Editorial and pricing framework
Prices by level and edition type
Levels reflect subject breadth, educational depth, visual content and supplementary resources. Page count is informative and does not determine price by itself.
Essential
A focused subject covered clearly and comprehensively.
- Individual ES or EN
- €1.99
- Spanish + English Pack
- €2.99
- Special Bilingual Edition
- €6.99
Expanded
A broader subject divided into several sections, with greater depth and visual development.
- Individual ES or EN
- €2.99
- Spanish + English Pack
- €4.49
- Special Bilingual Edition
- €8.99
Monograph
A broad or complex subject explored in depth with extensive visual resources.
- Individual ES or EN
- €3.99
- Spanish + English Pack
- €5.99
- Special Bilingual Edition
- €10.99
Commercial structure:individual → two-file pack → integrated premium editionThe Special Bilingual Edition is planned at the same price on the website and Amazon.
Required distinction
The pack is not an integrated bilingual edition
Individual edition
One file and one language.
Spanish + English Pack
Two separate files and the best content-to-price ratio.
Special Bilingual Edition
One integrated file, dedicated layout and premium positioning.