Chapter 19 should be up very shortly, with a further 3 to come after this one. Fpr those of you who aren't already Patrons, there are still spaces left on patreon(www,Patreon.com). If you feel that the story so far is worthy of rewards but you're not wanting to subscribe, you could make a one-off contribution (any amount) at www.paypal.me/ProfessorCGB.