Stitch-and-glue boatbuilding learn introductory and advanced modern plywood boatbuilding techniques suitable for heavy-duty boats. john harris—august 20–26. The caledonia yawl, designed by iain oughtred, is a large, versatile, and eye-catching double ender with a breathtaking sheer. based on an inshore fishing boat from. Phil bolger books, boats & magazine articles some bolger boats build the pirogue 12 (instructions, sorta, and plans) some magazine articles the bolger boat honor roll.