Book excerpt: Bilingual book to learn Spanish In bilibook-editions the text is displayed alternately sentence by sentence in both languages. In addition, difficult words are marked so that you can quickly find them in the translation text. This system helps you to maintain a comfortable reading flow. You do not have to read the entire translation to find a word translation. Have fun while reading! The story: In 'The man with the twisted lip' Sherlock Holmes needs all his detective skills to handle this complicate case. A mysterious man has given some hard puzzles to Sherlock Holmes. Is he just an unfortunate beggar or is he to blame for the sudden disappearance of a family father.