Showing results by author "Daniel Harper" in All Categories

This complete audiobook guide transforms complex refrigerant regulations into clear, memorable lessons you can master anywhere. Created by master HVAC instructor Daniel Harper with 20 years of EPA experience, you'll learn through real-world stories, memory tricks, and proven strategies that have helped thousands pass on their first attempt.

Beware of the night, for it shows no mercy. Anxieties run rampant as the last sprinklings of light twinkle out on the inky horizon. The shadows dance their choreography in the damp, dusky air. Night is taking over, and it knows how to keep a dark and deadly secret, for it allows no witnesses. And that screaming you hear nearby? Watch out, because you might be next. The Sinister Supernatural Stories series brings you delicious horror that focuses on elements of the supernatural. Pull up a chair and dig in, but never after dark—everyone knows bad things always happen after dark.