Set in 1919, young couple Tommy Beresford and Tuppence Cowley form a partnership, hiring themselves out as ''young adventurers''. Their first case, however, is more of an adventure than they expect - working to find documents that, if they were known to the general public, would fuel a communist revolution in Britain.Show Excerptboy. But I can assure you that that sort of thing might touch the heart of an elderly spinster, and she might adopt you, and then there would be no need for you to be a young adventurer at all.""I don't want to be adopted.""I forgot you had a prejudice against it. I was only ragging you! The papers are full up to the brim with that type of thing. Now listen--how's this? 'Two young adventurers for hire. Willing to do anything, go anywhere. Pay must be good.' (We might as well make that clear from the start.) Then we might add: 'No reasonable offer refused'--like flats and furniture.""I should think any offer we get in answer to that would be a pretty UNreasonable one!""Tommy! You're a genius! That's ever so much more chic. 'No unreasonable offer refused--if pay is good.' How's that?""I shouldn't mention pay again. It looks rather eager.""It couldn't look as eager as I feel! But perhaps you are right. Now I'll read it straight through. 'Two young adventurers for h