Thank you for the excellent sample of your book, when will an ebook version be available for purchase?
Thank you for your kind words. At the moment the ebook is only available here and in the next month I hope it will be ready for the Kindle
Thank you for your prompt response, I have purchased the PDF which is very clear and well formatted.
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Now the book is available on Kobo Exploring Algebra with Wolfram Language: A High School Textbook