Jon Allen

What hidden geometry links Gothic cathedrals, Moorish palaces and Mughal domes? How do you draw a four-centred arch? Why do arches feel so uplifting? How many different kinds of arch are there? In this delightful pocket book, architect and geometer Jon Allen shows us how to set out arches, from simple semicircles and pointed lancets, to Tudor gateways and Islamic...

Cute characters, quarter-life crises, chemical supplements, and corporate catastrophes... Jon Allen's cult-favourite online comic is now a must-read graphic novel! Veronika is 24 and tired — of her crummy boyfriend, of living with her parents, of feeling stalled out while everyone else moved on. With a new job coding software for a "wellness" company that makes brain-boosting energy drinks, she...