‘Ecology of the Planted Aquarium’ (4th Edition, 2023) is now available as an affordable paperback to hobbyists overseas (Britain, Italy, Japan, etc.), not just to those in the U.S. While there is a different–and maybe prettier– cover for Amazon-printed books, all BTPS-printed books, eBooks, and Amazon Kindles contain the same material. This is a long-awaited improvement, because shipping a printed book overseas is prohibitively expensive.
Diana Walstad's Books and Articles 
This book (any version)) is not available in my country, (Turkey) I can only buy it from Amazon (2023 ver). But it’s extremely expensive. It’s almost a minimum wage price. One month work and one book 🙂
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Sorry to hear this. I am surprised that you can’t buy the book off of a European Amazon website. The German Amazon website https://www.amazon.de/s?__mk_de_DE=%EF%BF%BDM%EF%BF%BDZ%EF%BF%BD%EF%BF%BD&k=Ecology%20of%20the%20Planted%20Aquarium&ref=glow_cls&refresh=1 offers book for 26 Euros for paperback and 18.87 Euros for the Kindle (digitall) edition. In US dollars, the price is $19.99 for the eBook. Whether the book is worth the cost is up to you.
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