Final answer:
In the book 'Wonder', Via's best friend is Miranda. Their close friendship evolves over the course of the story, reflecting themes of change and maturity.
Step-by-step explanation:
In the book Wonder, Via's best friend is named Miranda. Throughout the story, their friendship faces challenges, and the dynamics shift, especially as Via starts high school. Miranda is depicted as having been very close to Via prior to these changes, sharing a deep bond and significant history together. The complexities of their friendship are explored, highlighting themes of growth and personal development.