The entire lifeboat

lifeboat
What is obligatory for a servant for his master?
Famous for:
board the lifeboat

--- Features and information about the application ---

1 --- The application contains a complete book, which is aboard the lifeboat
2 --- The text is complete and identical to the paperback book
3 --- The doors were classified and arranged as in the book
4 --- And you can share pages
5---Can read in night mode
6---Pages can be saved and referenced
7 --- Font enlargement and reduction feature
8 --- Index of doors in an elegant and tidy manner
9 --- Contains a button for fast page rendering and rewinding