Aeo, that tattoo-covered sun elf, came up and plopped her hand over Amelia’s left shoulder. “You good there, girl?” she asked. “Kinda got that five-mile stare going on.” Amelia jerked her shoulder back and shook the hand off her. “Checking my HUD.” “HUD? What’s a HUD?” “Heads-Up Display,” Amelia said. “What’s… that?”