Ben Bril a'r ddinas ddirgel
By: by David Orme ; illustrated by Peter Richardson ; translated by Gruffudd Antur
Contributors: Antur, Gruffudd, translator; Richardson, Peter, 1951 December 15- illustrator
Publisher: Atebol
Published: 2013
Place of publication: Aberystwyth
Language: wel
ISBN-13: 9781909666016
Subjects: Rick Shaw (Fictitious character); Comic books, strips; Juvenile fiction
Description: Ben Bril is a 14-year-old boy. He is very clever, but he's interested only in science and in saving the world! People keep disappearing and reappearing changed. Of course it's a door into another world, and Ben Bril and Brochfael the Ninja set off to find it.
Notes: Translated from the English.

Addasiad Cymraeg o = Welsh adaptation of: Boffin Boy and the lost city.