Author: Anni Llyn.

A sequel to Anni's first novel about Alys Phillips, the 14-year old spy. Alys is forced to take part in a competition that pushes her abilities to the limit. By answering the puzzles, cracking the codes and working together, will she and her co-copetitors catch the thieves?

Awdur: Anni Llyn.

Dyma ddilyniant i nofel gyntaf Anni am Asiant A, yr ysbïwraig 14 oed, Alys Phillips. Mae Alys yn cael ei gorfodi i gymryd rhan mewn cystadleuaeth sy'n mynd i wthio ei galluoedd i'r eithaf. Trwy ateb y posau, cracio'r codau a chydweithio, a lwyddith hi a'i chyd-gystadleuwyr i ddal y lladron?