"What?" said Light to Tyltyl. "Don't you know that wall and that little door?"
The sleepy boy shook his head: he remembered nothing. Then Light assisted his memory:
"The wall," she said, "surrounds a house which we left one evening just a year ago to-day...."
"Just a year ago?... Why, then...." And, clapping his hands with glee, Tyltyl ran to the door. "We must be near Mummy!... I want to kiss her at once, at once, at once!"
But Light stopped him. It was too early, she said: Mummy and Daddy were still asleep and he must not wake them with a start.
"Besides," she added, "the door will not open till the hour strikes."
"What hour?" asked the boy.
"The hour of separation," Light answered, sadly.
"What!" said Tyltyl, in great distress. "Are you leaving us?"
"I must," said Light. "The year is past. The Fairy will come back and ask you for the Blue Bird."