A 10½-acre estate in Delaware owned by the family of former Phillies owner Ruly Carpenter and once owned by the founder of DuPont has hit the market for $3.5 million. The Brandywine Valley property, ...

All are featured in 272-page "Chateau Country: du Pont Estates in the Brandywine Valley" (Schiffer, $60), illustrated with photos of the homes and property by Delaware photographer Terence Roberts.