Discovered at the beginning of the 20th century and thoroughly researched for the first time in the 1970s, the sensational effects have been welcomed with enthusiasm.
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.