Reference books on bilingual education
Multilingual books for children
Bablbooks
Offers bilingual books in these languages:
Portuguese (Brazilian), Spanish, French, German, Japanese, Chinese, Gujarati, Hindi, Tagalog, Vietnamese
Based in the US but you can also buy the books in the UK via Amazon. For example, we have this one:
Petit Publisher
Trilingual books in Portuguese, English e Spanish. Based in Portugal but ships abroad.
Miúda Books
Miúda is an online bookshop based in the UK dedicated to children's books written in Portuguese and/or edited in Portugal and Brazil.
The European bookshop
http://www.europeanbookshop.com/
The European Bookshop, the UK's leading foreign-language bookshop. Language resources and literature mostly in French, Spanish, German, Italian, Russian and Portuguese. Many other languages are also available.