I saw Dan Fridd in action promoting Edelweiss "the book industry's platform to market, sell, discover, and order new titles" at the RISE Bookselling Conference in Prague a few weeks ago and knew I had to have him on the show.     Dan is Client "Success" Manager for Edelweiss. We talk about the company, his career in bookselling IT, and how "Above the Treeline" provides booksellers with the big picture; about book sales, inventory management, pie charts, Barbara Kingsolver's The Lacuna, the John Sandoe Bookshop in London, Ann Arbor, Michigan, book conversations opening up your world, marina management software, yachts, coding, data splicing, browsing publisher sales catalogues, analytics, creating your own catalogues, the Book Bugs and Dragon Tales bookshop, Norwich, Mitch Kaplan, and gigs in the Cayman Islands.    Sure this may all sound a bit stodgy to non-booksellers, but I'm telling you, Dan gives dynamite interview.