Books in the My Secret Unicorn series

Lauren's pony Twilight changes into a unicorn when she whispers the magic words, but Lauren must keep this a secret or it could put Twilight in great danger. Lauren's friend, Mel, is teased by girls at school because her pony Shadow can't jump. Shadow is afraid, so Lauren and Twilight visit him secretly and use Twilight's unicorn magic to give Shadow the confidence to begin to overcome his fear. One night a powerful storm leaves Mel and Shadow trapped in a barn by a burning branch. Shadow is scared and can't jump, but then he remembers Twilight's help and is filled with bravery. With a magnificent jump, he soars over the burning branch carrying Mel to safety.

Imagine sitting on the back of a snow-white unicorn. Imagine riding it high into the sky, the wind in your hair. Imagine owning it, loving and cherishing it forever. This dream comes true for Lauren Foster. By day she rides Twilight, an ordinary little pony, but as night draws in and Lauren recites a secret spell, Twilight becomes a unicorn with magical powers! Only Lauren knows Twilight's secret.

The third book featuring Lauren and her pony Twilight who changes into a unicorn when Lauren says the magic words. Lauren's friend Tilly doesn't want her father to re-marry. She doesn't get on with her future step-sister and doesn't know what to do. On the day of the wedding Tilly runs away and is found in Twilight's stable. Twilight conjures a vision of the future and shows Tilly how miserable her family would be without her and she agrees to go back. Lauren and Twilight use magic to help Tilly return to the wedding in time. In return Tilly promises to drink a special potion which makes her forget everything that Twilight and Lauren have shown her and keeps Twilight's secret safe.