Astronomy E-Books Bundles

Astronomy E-book Bundle for reference or support material about astronomy. This bundle contains seven e-books including:

Basic Astronomy - Hannu Karttunen, Pekka Kröger, Heikki Oja, Markku Poutanen, Karl Johan Donner (eds.)

Practical Principles - [A.E. Roy, D. Clarke]

Introduction to Modern Cosmology - [Barbara_Ryden]

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