Have any books has been written about Ripple and Litecoin?

Have any books has been written about Ripple and Litecoin?

I buy some ebooks about cryptocurrency, bitcoin and blockchain from http://sacredtraders.com/index.php/product-category/crypto-book

Have there been any books written about Ripple and Litecoin?

https://ift.tt/2kd0OlI

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