Footsteps in the Dark (Country House Mysteries, 1)

Pool Mate 24 ft Extra Strength Silver Winter Pool Cover for Above Ground Pools, 4 ft Overlap (28 ft Cover Size), Solid 12 x 12 Scrim, 3.7 oz/yd2, 15-Year Warranty, Style: 3324-4-PM

Robelle 24 ft Professional Silver Winter Pool Cover for Above Ground Pools, 4 ft Overlap (28 ft Cover Size), Solid 12 x 12 Scrim, 3.7 oz/yd2, 15-Year Warranty, Style: 3324-4

Winter Pool Cover 18 ft Round for Above Ground | Extra Thick & Durable Above-Ground Pool Cover | Sapphire Series of Premium Cold- and UV-Resistant Pool Cover | by Yankee Pool Pillow

BigXwell Solar Pool Cover, Blue 16-mil 16 x 32 Foot Rectangle for In-Ground Pools, 1600 Series Heavy-Duty Insulating Pool Heater Covers.

Robelle 16 x 25 ft Heavy Duty Blue Winter Oval Pool Cover for Above Ground Pools, 4 ft Overlap (20 x 29 ft Cover Size), Solid 8 x 8 Scrim, 2.36 oz/yd2, 10-Year Warranty, Style: 351625-4

VINGLI 12Mil Solar Pool Cover Rectangle Solar Blanket for Inground Pool and Above-Ground Swimming Pool, Blue (18' x 36')

Pool Mate 25 x 45 ft Classic Blue Winter Pool Cover for Inground Pools, 5 ft Overlap (30 x 50 ft Cover Size), Solid 8 x 8 Scrim, 2.36 oz/yd2, 10-Year Warranty, Style: 352545RPM

Blue Wave Gold 15-Year 24 ft Round Above Ground Pool Cover for Winter– Durable & Weather-Resistant Polyethylene – 4 ft Overlap, Black Underside, Reinforced Grommets, Winch, Cable – Royal Blue