I'm a little too old for young adult books but I still re-read Andre Norton science fiction from time to time.
These are all free.
All Cats Are Gray, 1953
The Defiant Agents, 1962
The Gifts of Asti, 1948
Key Out of Time, 1963
The People of the Crater, 1947
Plague Ship, 1956
Ralestone Luck, 1938
Rebel Spurs, 1962
Ride Proud, Rebel!, 1961
Star Born, 1957
Star Hunter, 1961
Storm Over Warlock, 1960
The Time Traders, 1958
Voodoo Planet, 1959
But for a girl!
Why not. They were written by a "girl".