You can get the first volume, DRM-free, for the price of a Big Mac meal at https://www.comixology.com/ and sleep easy knowing you've supported a creator-owned comic book.
If they are, you're correct. On Amazon, it shows that it's a hardcover that compiles the first 16 issues (or first 3 volumes/trades). Meaning it's the same exact story just compiled into one hardcover book.
I got myself a VPN (Mullvad), an Amazon Prime account with a US-spoofed card (5 USD monthly), and bought the Season 1 of Deadly Class (20 USD, released a day after Syfy).
The things I do for love.