Excerpt from Tumult in Tenochtitlan!

Once again, the duo turned the dials on their goggles and were engulfed in a blinding light. When the light faded, Leo had to hold back a surprised gasp. The swamp had been replaced by a massive city! Big pyramids, painted white and red and gold, towered over smaller pyramids and little adobe homes. Long white roads enabled people to walk across the waters of Lake Texcoco that still surrounded Tenochtitlán.

“Over two hundred thousand people live here now,” Petra said. But Lionheart was hardly...