Schoolgirls – Sal Morris, a young teacher at Hindley House Girls' School, is put in charge of the worst behaved class in the school and gains their approval by forming a folk-singing group the "Singing Hinnies". Sal in the Sun – Sally Peters is the children's rep for a small holiday company at a Spanish hotel. She has to deal with rivalry from their rich neighbours, Timson's Holidays. Sal The Swan Girl – Sal Lewis lives off Renzil beach, where there is a lot of bird activity. Her father, Fred, runs the nearby Swannery. Sally And Her Seal – Sally Wilson is the proud owner of Pootsie, a tame but cute seal. Sally at Sylvano's: Sally Shaw leaves school and starts work at Sylvano's department store. She wants to be a window dresser, but Miss Newman, the head window dresser, is being deliberately hard on her to test her resolve while the other assistants are snobby and then jealous. Sally finds solace in a wonderful secret – using the basement to practise her own window-dressing. Sally on Planet Serbos – Sally Martin, a local "Space Invaders" champion on Earth, is transported to the planet Serbos, to help clear up some of the troublemakers who have descended on the planet since uranium was discovered there. Sally-on-the-Spot – Sally Jones likes to know what is going on. Her curiosity often lands her right on the spot where interesting events happen. Sandie's Secret – Cassandra Jones, known as Sandie, is going out with Michael Parker. Michael's sister, Helen, is at the same school as Sandie, but the two girls hate each other, so Sandie does not want her to know the identity of her boyfriend. Sandie's Sweets: Sandie Jenkins buys a packet of Sweet Dreams, which are sweets with mottoes on them. Whenever Sandie eats a Sweet Dream, the motto on it seems to come true. Sandie starts getting selfish over the apparent power of the sweets, especially after the Sweet Dreams are withdrawn and she has to make do with the packet she has. Sandra's Sad Secret a.k.a. Cheat! – When Sandra Harrison's father is imprisoned for fraud, she and her mother move in with her strict grandparents in Wales. Sandra has promised to keep her father's whereabouts secret, but a girl at school Megan had found out the truth and is now blackmailing Sandra. Sandra's Search – When her archaeologist father