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Given a text, write a compressed version of it in a single sentence.

Martha Bronson's The Right Stuff for Children Birth to Age 880 is an excellent resource for selecting play materials that support development in early childhood. Although it is written for teachers, preschool and child-care center directors, and elementary school principals, it can also guide parents.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Martha Bronson's The Right Stuff for Children Birth to Age 880 is for development in early childhood and guiding parents.