Time travel books - quite niche requests

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Hi, DD (12) loves history and would like some fiction recommendations where ideally historical characters (Tudors onwards) time travel to modern day. But would also consider modern-day characters travelling back in time.
My only suggestion so far was Voices After Midnight by Richard Peck.
Thanks!

Most of the books I’d recommend have already been mentioned. A few others that could fit.

Jason Bodger and the Priory Ghost by Gene Kemp
Double Spell by Janet Lunn
The Door that Led to Where by Sally Gardiner
Eleanor Elizabeth by Libby Gleeson
The Children of Winter - Berlie Doherty

They may be on the younger side.

I'm glad somebody has already suggested "the ship that flew" by Hilda Lewis, as that was my favourite when I was younger for time travel

Second Rosemary Sutcliff for historical fiction. Plenty to go at there