I'm looking for a book I read some 15 years ago, at my middle-school library. I'm sure it was before 2005.

The story is set in a tower above the clouds, so they don't see the floor, and every so often, they all have to migrate one floor upper, but I don't remember why. I think the community has to build the tower higher and higher. It is forbidden to go to the lower floors, and a teenage girl is aching to go lower instead of upper, and violates the law.

It might be the same as this question, but I don't remember the tower to be a 1,000-floor buildings, and I thought it was a more recent book (but I might be wrong).

I think in the end,

she discovers there is no bottom of the tower (it floats or something like that).

But I'm not 100% sure, as I don't remember much of the book, just the atmosphere.


This sounds like Updraft by Fran Wilde.

In a city of living bone rising high above the clouds, where danger hides in the wind and the ground is lost to legend, a young woman must expose a dangerous secret to save everyone she loves.

Welcome to a world of wind and bone, songs and silence, betrayal and courage.

This was 2015, however. It is the first book of a trilogy (Bone Universe). Cloudbound and Horizon are the sequels.

Also, flying (gliding) and flying 'monsters' are key features of the book - not mentioned in your question.

The inhabitants of this tower do need to move up one floor and abandon the lower ones as the towers are slowly growing.

  • This was what I thought of too, note my comment on the question, but it seems wildly too recent to be what the OP was thinking off unless they were a decade off. – TheLethalCarrot Jan 29 at 12:39
  • Agreed. Should I move the "answer" to a comment? The additional information provided in the question edit further moves away from this as a possibility. – Edgewood Jan 29 at 16:52
  • No its fine as is and as far as I can tell there has been no edit to the question. – TheLethalCarrot Jan 29 at 16:55
  • Thanks, but, I'm sure it was at the latest in 2005, but more probably in 2003. I will probably read this one, though, seems like a nice book. – OroshiX Jan 31 at 13:32

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