Legacy (1991–2015) — book series in order

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The Legacy (1991)
The Talisman (1992)
The Wyndham Legacy (1994)
The Nightingale Legacy (1995)
The Valentine Legacy (1996)
Allegiance (2012)
Sacrifice (2012)
Birthrite (2013)
Firstborn (2013)
Glyph (2013)
Prophecy (2015)