Jo Kellett is an aromatherapist and massage instructor based in Brighton, UK. Having received her Diploma of Holistic Aromatherapy from the Tisserand Institute, she ran a practice at the Portland Hospital in London, as well as a home practice, until returning to the Tisserand Institute to teach aromatherapy in pregnancy and essential oil therapeutics. Jo also trained as an infant massage teacher; this forms part of her holistic aromatherapy practice "from the seed", which focuses on women's health and pregnancy. Jo is a member of The International Federation of Professional Aromatherapists and a Certified Infant Massage Instructor.

Elin Svensson's playful and harmonious illustrations show off her command of colour, texture and form. Aimed at the head and the heart, these sophisticated combinations of tone and gradient have won her clients like adidas, Apotek Hjärtat, The Business of Fashion, Facebook, The Financial Times, Grafik Magazine, the Guardian, IKEA, Stockholms Kulturfestival, Sveriges Stadsmissioner, Systembolaget, The Wall Street Journal and Zeit Wissen. She lives in Stockholm, Sweden.