[flexagoon]

It says "max terabytes", but nothing's stopping you from putting less than 1 there. If you want 10 gigabytes, you can just put 0.01 in there.

[sghitbyabazooka]

which means you will get torrents whose total size is smaller or equal to 10gb, which mostly contain metadata, instead of partially seeding actual books, which come in much larger torrents