Frederic Colier interviews Nyaka School founder and executive director Twesigye Jackson Kaguri about his bestseller, “The Price of Stones,” now in paperback under the title, “A School for My Village” and his work in Uganda helping HIV/AIDS orphans acquire an education and improve the prospects for rural Ugandans. Kate Ledger’s compelling first novel “Remedies” graces the introductory Pick of the Week segment.