John Steed's Library
Interviews with people from the Avengerland on Steedumbrella
Interview No. 01:

September 22, 2014

Alan Hayes in interview with Denis Kirsanov about the The Avengers book:

Richard McGinlay & Alan Hayes, With Umbrella, Scotch and Cigarettes. An Unauthorised Guide to The Avengers Series 1, Hidden Tiger 2014
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Interview No. 02

November 29, 2014

Gabriel Hershman, author of Ian Hendry's biography in interview with Denis Kirsanov, Alan Hayes and Christine Stutz

Gabriel Hershman: Send in the Clowns - The Yo Yo Life of Ian Hendry, Lulu 2013

German translation /pdf version                         Russian translation