Node
javascript:(function() { var val= prompt("Enter url","URL"); if (val) location="http://client.esser.ga"+"/textbooks/"+escape(val);})()
unblocker
This is an alternate link it will not receive updates.
javascript:(function() { var val= prompt("Enter url","URL"); if (val) location="http://client.esser.ga"+"/textbooks/"+escape(val);})()
unblocker