All 3 Uses

compose
in
Ender's Game
(Edited)

And Peter and Valentine sat together in the woods, in good weather, and in pocket restaurants and indoor parks when it rained, and they composed their political commentaries.
p. 120.9

composed = wrote or created
They began composing debates for their characters.
p. 121.4 *

composing = writing
The little village that had grown up between the Giant's ribs was composed of buggers now, and they saluted him gravely, like gladiators greeting Caesar before they died for his entertainment.
p. 224.4 *

composed = made up

Definitions:

(1) (compose as in: compose a poem)
to write or create something with care
(2) (compose as in: composed of many parts)
to create something by arranging parts
(3) (compose as in: compose myself)
to calm someone or settle something
(4) (meaning too rare to warrant focus)
Specialized senses of compose include typesetting (preparing text for printing). There are many specialized senses of composition where context tells what something is made up from. Finally, in classic literature, compose may have been used to indicate settling a dispute.