Worth reading: Yes, but it helps to have read the other two first.

Summary: This is a continuation of the Myst series and follows on from Atrus’ re-discovery of the ruins of D’ni. After searching the ruins and collecting as many linking books as they could find Atrus and his band set out to find the strewn remnants of the D’ni population through the written ages.

After searching and not finding many descendants they discover a hidden library. One book takes them to a fantastic Age where the inhabitants are long lost relatives of the original D’ni. However, their opulent Age belies a secret. Atrus must now fight, something that is against his nature, to save a situation he unwittingly created.