The Netherworld book series by Alan R. Peters includes books Oliver & Daniel - Lost in a Strange World: The Search for the Quantum Energizer, Oliver & Daniel - Return to Netherworld: The Temporal Phase Shift Adjuster, and Oliver & Daniel: The Invisibility Cloaking Device. See the complete Netherworld series book list in order, box sets or omnibus editions, and companion titles.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.