Many best things in life are for free, you just have to look for it.

Some best e-books to learn Spanish:

Easy Spanish Step-by-Step (http://www.amazon.com/Spanish-Step---Step-Barbara-Bregstein-ebook/dp/B001E5ERTU?tag=fluentu-20)

The Complete Guide to Instant Spanish Immersion (https://www.fluentu.com/spanish/blog/instant-immersion-spanish/)

Spanish Language Tutorial (https://www.fluentu.com/blog/spanish/go/ielanguages/ielanguages-spanish-tutorial/)

Easy Spanish Phrase Book (http://www.amazon.com/Spanish-Phrase-Dover-Large-Classics-ebook/dp/B00FC1N1MQ?tag=fluentu-20)

Madrigal’s Magic Key to Spanish (http://www.amazon.com/Madrigals-Magic-Spanish-Margarita-Madrigal-ebook/dp/B004FGMD8W?tag=fluentu-20)

How to Become Fluent in Spanish (https://www.amazon.com/How-Become-Fluent-Spanish-Beginners-ebook/dp/B00DFNI6SC?tag=fluentu-20)

top websites to learn German and download e-books:

Gutenberg.org (http://www.gutenberg.org/ebooks/search/?query=l.de)

LeseLupe.de (https://www.leselupe.de/)

Archive.org (https://archive.org/details/germanbooks)

OpenLibrary.org (https://openlibrary.org/subjects/german_language#)

Amazon.de (https://www.amazon.de/gp/bestsellers/digital-text/530886031/?ie=UTF8&camp=1638&creative=19454&linkCode=ur2&tag=germprof-21&tf=1&linkId=QTQZ764PHDROCILW)

BookRix.com (https://www.bookrix.com/books%3blang:de.html)