Topical - Spanish Language Learning: Readers - Outside Sources

Seeker
With Seeker being a primarily academic source, you will find mostly information about bilingual eBooks

It is easier to go to the EBSCO eBooks database on the E-Resources page to see what is available.

Search: Spanish Language Learning

               Libros en espanol

                Fabulas clasicas (Aesop Fables)

Google Free Books

1. Search: Bilingual books in Spanish and English
2. Click on Tools
3. Click on the dropdown arrow next to Any Books
4. Change to Free Google Books
5. Choose the eBook you want, click on the title

El Recreo - Recess
Easy reader level 1

Learn Spanish: Spanish for Kids

Bilingual essays: texts in English & Spanish

Amazon

A search for "free spanish ebooks for children" brings back these results and much more:

Easy Spanish Stories For Beginners: 5 Spanish Short Stories For Beginners (With Audio) (Learn Spanish With Stories) (Spanish Edition)
Kindle version

Me encanta comer frutas y verduras - I love to eat fruits and vegetables
Kindle Version

Millie va al espacio - Millie goes to space
Kindle version

Cinderella - Cenicienta
Kindle version

Animals - Animales
Kindle version

A First Reader: Spanish & English - Un premer libro: espanol y ingles
Kindle version

Practice your Spanish #1
Kindle version

Free Windows Kindle Reader

PC, Android, Tablet edition

Mac Kindle Reader

Desktop, Laptop with Mac OS X 10.9 or higher

Apple Kindle Reader

iPhone, iPad, iPod Touch

Grimm Stories

Choose from several different languages, including Spanish. This is not side-by-side, but you can always click on the English if you want to see what it says. Read online, but I found the pdf version easier to read.

International Children's Digital Library
Can choose books in different languages, including Spanish:

1. Click on Read Books
2. Show: Spanish (from dropdown menu)
3. There are a number of ways to limit the book search
   1. age
   2. book length
   3. types of characters
   4. types of books
4. Click on a book
5. When the About the Book screen opens, click on Read This Book
6. Click on the cover to open the book (or where you want to start)

Alba Learning
Classic books, in English, Spanish, audio
 

Bilinuis

1. Find the eBook you want to read
2. Click on the language to open the book
3. Choose the chapter you want to read

Alice in Wonderland - Las aventuras de Alicia en el Pais de las Maravillas

The Adventures of Tom Sawyer - Las aventuras de Tom Sawyer

The Hounds of Baskervilles - El Sabueso de los Baskerville

The Metamorphosis - La metamorfosis

Twenty Thousand Leagues Under the Sea - Veinte mil leguas de viaje submarino

Learn Spanish
More classics
 

Lingolibros 

Kid books
$.99