Kate Hardy books in order
19 books in the catalogue, about 125 hours of reading in all; the shortest takes 3 hours and the longest 11 hours.
2 series and 17 standalone books in the catalogue.
To Tame a Playboy
2 books Surrender to the Playboy Sheikh length not known
Playboy Boss, Pregnancy of Passion 3.4 h Billionaires of London
2 books
Billionaire, Boss. . . Bridegroom? 4.7 h Holiday with the Best Man length not known
Standalone books
Mistress on Trial 3.5 h 
One Night, One Baby 4.3 h 
Hotly Bedded, Conveniently Wedded 3.5 h 
The Pregnancy Ultimatum 3.5 h 
Temporary Boss, Permanent Mistress 3.5 h 
The Millionaire Boss's Reluctant Mistress 3.4 h 
Bought for His Bed 10.3 h 
Good Girl or Gold-Digger? 3.4 h 
Neurosurgeon... and Mum! 3.5 h 
Italian Playboys 5.5 h 
One Night of Passion 10.3 h 
His Forbidden Conquest 10.7 h 
One Night with Her Ex 10.3 h 
The Italians 10.1 h 
If the Ring Fits... 10.3 h 
British Bachelors : Delicious and Dangerous 10.3 h 
From Paris with Love 10.3 h