Cyffro, hwyl ac antur yng nghwmni'r ffrindiau Glyn, Jac, Deian a Rhodri wrth iddyn nhw aros yng ngwersyll Pentre Ifan, sir Benfro. Y pedwerydd teitl yn y gyfres sy'n ddilyniant i Dirgelwch Gwersyll Glan-llyn, Dirgelwch Gwersyll Caerdydd a Dirgelwch Gwersyll Llangrannog.
Gomer Press is a printing and publishing company based in Llandysul, west Wales. The company was first established in 1892 and is owned by the same family to this day. Jonathan Lewis, the great grandson of the company's founder, is the current managing director. Gomer Press today is both a thriving printing company and the largest publishing house in Wales.