Albert Whitman & Co The Boxcar Children are excited to attend a young astronomers’ convention! But when a student goes missing, will the children be able to help?
Baker & Taylor While visiting their grandfather at Mountvale College, the Aldens meet Mark Jacobs, an astronomy student, who tells them about a discovery he has made that he will soon announce to all, but when his paperwork suddenly disappears, the Aldens find themselves getting involved. Simultaneous. The Boxcar children investigate the disappearance of a student's research paper from an observatory and the subsequent disappearance of another student. The Aldens meet an astronomy student, who tells them about a discovery he is about to announce, but then his paperwork suddenly disappears