Submarine Spies and the Unspeakable Thing

Description

Pan fo Caitlin yn dod o hyd i gi ar lannau’r afon ger ei chartref, mae’n darganfod byd o ysbïwyr, cyfrinachau a dirgelwch. A all hi, sydd ond yn blentyn, helpu’r ci, achub parotiaid, colomennod a’r byd, a diogelu pobl rhag bygythiad annisgrifiadawy o beryglus? Gyda’r Nadolig yn agosáu, a’r addurniadau wedi’u gosod yn nghaffi ei rhieni, a fydd Caitlin yn gallu cadw ei chyfrinachau ei hun?
When Caitlin discovers a dog on the banks of Wales’ most sneaky river, she enters a world of spying, double-talk and mystery. Can Caitlin, who isn’t very old, save the world, help the dog and rescue parrots, pigeons and people from an indescribably dangerous threat? As Christmas approaches and the decorations go up in her mum and dad’s café, will Caitlin be able to keep her own secrets?