Further Reading Some of our authors have their own websites: Mark Coggins Jim Nisbet Tom Raworth Even more Poltroon on the web: Alastair Johnston's world music website is here. Frances Butler talking about her garden can be found here. An essay by Frances Butler on the New Semiotics can be read here. Frances Butler's folk art environment website is off-line at the moment. An essay by Alastair Johnston on the Rare Books collection at San Francisco Public Library can be read here, or see the illustrated version linked as "Grabhorn" at left. Johnston's glossary of nineteenth-century printing terms can be found here. You can buy Alastair Johnston's book on nineteenth-century typefounders' specimens from the publisher Oak Knoll here. Look for our out-of-print titles here, with keywords "Poltroon Press"