Opération Joshua, tome 4M. G. Harris2011

This is how the world will end: on 22 December, an electromagnetic pulse will blast through the atmosphere. Technology wil fail. Civilization will fall apart. The key to survival lies in a secret Mayan book, protected by Josh and an ancient society. But someone has altered time. To put in back on track, Josh must unravelhistory itself and face the dangers of a dack, parallel reality.

Titre original : The Joshua files, book 4: Dark parallel (2011)