Slightly invisible / Child, Lauren

Charlie and his friend Marv have invented an invisibility potion to help them find strange and tricky creatures, but these creatures have met their match in Charlie's very resourceful, inventive little sister, Lola.

When Charlie and his friend Marv get frustrated because little sister Lola keeps bothering and interrupting during their imaginary hunt for a strange and tricky creature, little Lola comes up with the best imaginative adventure of all.