Single Serve is available to buy from Amazon in both paperback and Kindle
USA: https://www.amazon.com/s?k=single+serve+Louise+harper&i=digital-text&ref=nb_sb_noss
UK: https://www.amazon.co.uk/s?k=single+serve+louise+harper&rh=n%3A14288281&ref=nb_sb_noss
AUSTRALIA: https://www.amazon.com.au/s?k=single+serve+louise+harper&i=stripbooks&ref=nb_sb_noss
Single Sweets is available on Amazon in Kindle only:
USA: https://www.amazon.com/s?k=single+sweets+Louise+harper&i=digital-text&ref=nb_sb_noss
UK: https://www.amazon.co.uk/s?k=single+sweets+louise+harper&i=stripbooks&ref=nb_sb_noss
AUSTRALIA: https://www.amazon.com.au/s?k=single+sweets+louise+harper&i=stripbooks&ref=nb_sb_noss
Single Slim is available from Amazon in Kindle only:
USA; https://www.amazon.com/s?k=single+slim+Louise+harper&i=digital-text&ref=nb_sb_noss
UK: https://www.amazon.co.uk/s?k=single+slim+louise+harper&i=stripbooks&ref=nb_sb_noss
AUSTRALIA; https://www.amazon.com.au/s?k=single+slim+louise+harper&i=stripbooks&ref=nb_sb_noss