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Mary Pope Osborne - Author
This offers a blend of imaginative time travel and historical encounter, with Florence Nightingale and ancient Egypt giving the adventure a real-world frame.
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Sign in for personalised guidanceThis offers a blend of imaginative time travel and historical encounter, with Florence Nightingale and ancient Egypt giving the adventure a real-world frame.
The adventure involves a hidden tree house, time travel and animals including a monkey and jackals.
This is a grounded book brief while Suitabook strengthens the analysis: the current material supports only a cautious reading; another book-specific source is still needed.
High Time for Heroes by Mary Pope Osborne | Open Library
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Checked: 27 September 2026.
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