Astronomical observations books

A package of books for the amateur astronomer, to be used next to the telescope, containing these books in pdf format :

IFAS Messier handbook
Gainer : Real astronomy with small telescopes
J. Mullaney : Herschell objects and how to observe them
Tonkin : Binocular astronomy
Grego : The Moon and how to observe it
Handen, Kaitchuk : Astronomical photometry
Cambridge university press : The story of the solar system
Oreily : Astronomy hacks
Macholz: Messier marathon field guide (this is a must have!)
The Caldwell objects
Phillip\\\'s Astronomy Encyclopedia
Geologic history of the Moon

Clear skies to you and keep on seeding :)

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Astronomical observations books