A Series of Books for Children / MG
Read in 1977 / 5th grade
Main character is a kind/gentle/smart alien professor/engineer doing experiments in his basement laboratory… solving mysteries, I think there was some type of garden?
A neighbor child is his companion and keeps his alien secret, or something like that?
Please help me remember the name, or a clue to finding the book series~
Thank you!

  • Except for the alien part, it sounds like the Danny Dunn series.
    – Joe L.
    Feb 4, 2016 at 0:44
  • 2
    What is MG? Middle… Group? Feb 4, 2016 at 0:57

1 Answer 1


This might be the "Mushroom Planet" series (published starting in 1954) by Eleanor Cameron, previously asked about and answered on this site at Space travel with spores or mushrooms and And now, for something completely different: The mushrooms are among us.

Per the Wikipedia entry, the kind alien Professor would be Mr. Tyco Bass. The "garden" would be Basidium-X, "a small, verdant world covered in soft moss and tree-size mushrooms" in orbit around Earth (but never noticed).

The larger series is described pretty well at a fan site; you may recognize some of the cover shots.

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