Last update:
April 20 2019
ORIZON eBOOKS
All ORIZON eBooks can be read on Kindles, PC's and Mac's. However, Android tablets, smartphones and iPhones lack the ability to reproduce interactivity and animation, so you can only read them but not interact with them.

All ORIZON eBooks include free updates and contain additional interactive content that is not available at Amazon. That's why they are available from this website only.
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