. >> host: you talk about jacklin and well known for call of the wild, the people of the best for somethingelse he wrote. >> host: that was a young man suffer. he went to the east end of london. he got himself some shabby clothes and lived among the locals for a period of two months and made friends with it down and out in every kind of way and really presented this really presented to assess the safety of the sort of quasi-sociological study of the group of people under difficult conditions. it was important for him under the publishers, though the book was a quite popular and it was part of what made him i think mostly he did it for income, but a lot of writers do that he was quite effective with it and it is something we still value. >> host: professor kroeger, what was the deception of opting sinclair? >> guest: not match. that is what is interesting, but it has this great undercover reputation. the fact is all he did was he dressed shabbily anyway, so he dressed as the dress. when he arrived in chicago, you want to the hotel and announced he was there to save the working man. he was up