A twelve-year-old's intergalactic friend Dandelion helps his engineer father repair a space probe to Uranus and provides the rest of the family with a space adventure.
Used availability for Gene DeWeese's The Calvin Nullifier
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Hardback Editions
October 1987 : USA Hardback
 | Title: The Calvin Nullifier Author(s): Gene DeWeese ISBN: 0-399-21466-6 / 978-0-399-21466-0 (USA edition) Publisher: Putnam Juvenile Availability: Amazon Amazon UK Amazon CA |
Paperback Editions
August 1989 : USA Paperback
| Title: The Calvin Nullifier Author(s): Gene Deweese ISBN: 0-440-40214-X / 978-0-440-40214-5 (USA edition) Publisher: Yearling Availability: Amazon Amazon UK Amazon CA |
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