Grandfather is moderating an astronomy convention at a college in the West Virginia mountains, and the Aldens tag along. They're excited to learn about a student's big discovery, but then his work goes missing--and so does another student The Boxcar Children must go above and beyond to solve the case.
While visiting Mountville College the Aldens stumble over a mystery that includes a secret trail, a disapperance, and many more. Th Aldens are determined to find the missing things in time for the last day. At the convention when the students are giving reports a man finds an asteroid orbiting between Mars and Jupiter and he's going to name it Alden Asteroid.
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.