Timeslip story featuring the historical plot to free Mary Queen of Scots, or to murder, or both? Among more than 100 novels and collections, "Her most famous and successful novel for older children, A Traveller in Time (1939), is a fantasy based again on her rural childhood, concerning a local plot to murder Mary Queen of Scots in 1569 and a girl from the 20th century who uncontrollably Timeslips back 400 years to witness the tragedy." (underscore represents linked cross-reference) --SFE: Encyclopedia of Fantasy, biographical entry by Jo Fletcher "Based on the Babington Plot of Anthony Babington at Dethick, near her family home, this romance mixes dream and historical fact in a story about a 20th-century girl who is transported to the 16th century, becoming involved in a plot to free Mary, Queen of Scots from nearby Wingfield Manor." --Wikipedia, "Alison Uttley"
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