Robby Landauer rides between Lockhart and Bastrop, on the way to Giddings. This was the longest day of their tour. You may remember the father and son -- Tim and Robby Landauer -- who made the bicycle barbecue tour through the Central Texas heartland. We published an item about them in March after Robby sent us a copy of an unpublished manuscript he had written about the trip titled "Bikes, Blues, and Barbecues: Me, my dad and our three favorite things." Now, Robby Landauer has turned his manuscript into an e-book, available both through Amazon and Google Play. "You don't need…