Museum mysteries (Sheila Connolly)

"When Nell is invited to the beloved Philadelphia children's museum, 'Let's Play', for a sneak preview of a newly installed exhibit based on the Harriet the Hedgehog book series, she's in for quite a shock. In the middle of her visit, one of the installers get a severe jolt from working on an electronically animated forest creature. He recovers, but when a second man gets zapped--this time fatally--it sparks a homicide investigation, with Nell right...

As president of the Pennsylvania Antiquarian Society in Philadelphia, Nell Pratt relies on the generosity of philanthropists. But when someone starts killing benefactors, it's Nell's turn to come to their aid... When Nell reads the obituary of a former board member, Adeline Harrison, she makes a mental note to send flowers and doesn't think twice about it - until FBI agent James Morrison shares his suspicions about the nature of Adeline's death....

Nell Pratt, president of the Pennsylvania Antiquarian Society, has something to smile about thanks to a generous donation from a major Philadelphia developer who's willing to help update their museum. But renovations have barely begun when a man is struck by a car in front of the building and killed. The victim is a construction worker who found a curious metal object while excavating an old privy in the museum's basement. Nell thinks the death is...