"Open them." Scorpius flailed his hands around, pointing at the top book, which was a copy of "Magical Drafts and Potions’. Below that was a copy of "Potion Opuscule’, and the "Potions Encyclopaedia’, and "Moste Potent Potions’. Albus opened the cover of the heaviest of the four, the "Moste Potent Potions’ books to find that each of the pages had been annotated with Scorpius’ handwriting.