A Time Traveler's Theory of Relativity - Book Questions

Who is the author of A Time Traveler's Theory of Relativity?

On what street did Finnegan Firth live?

What was the name of the mail carrier in Dorset?

When did Finn's mom leave?

Why did Finn dread the month of October?

Why did Finn feel like 'the lopsided remainder in an unbalanced equation, an unstable particle, and the boy always left behind'?

How many books did Finn take with him for a 3-day weekend stay at his Gran's house?

Why did Finn think maybe he was the reason his mom left?

What science fiction author did Finn enjoy reading?

What were Finn's two aunt's names (his Gran's sisters)?