Book difference UK/US
The main difference occurs:
UK version (page 552 - 553):
"No, you can't," said Malfoy, his wand hand shaking very badly indeed.
"Nobody can. He told me to do it or he'll kill me. I've got no choice."
"Come over to the right side, Draco, and we can hide you more completely
than you can possibly imagine. What is more, I can send members of the
Order to your mother tonight to hide her likewise. Your father is safe
at the moment.."
US version (page 591 - 592):
"No, you can't," said Malfoy, his wand hand shaking very badly indeed.
"Nobody can. He told me to do it or he'll kill me. I've got no choice."
"He cannot kill you if you are already dead. Come over to the right
side, Draco, and we can hide you more completely than you can possibly
imagine. What is more, I can send members of the Order to your mother
tonight to hide her likewise. Nobody would be surprised that you had
died in your attempt to kill me - forgive me, but Lord Voldemort
probably expects it. Nor would Death Eaters be surprised that we had
captured and killed your mother - it is what they would do themselves,
after all. Your father is safe at the moment.."
UK version (page 552 - 553):
"No, you can't," said Malfoy, his wand hand shaking very badly indeed.
"Nobody can. He told me to do it or he'll kill me. I've got no choice."
"Come over to the right side, Draco, and we can hide you more completely
than you can possibly imagine. What is more, I can send members of the
Order to your mother tonight to hide her likewise. Your father is safe
at the moment.."
US version (page 591 - 592):
"No, you can't," said Malfoy, his wand hand shaking very badly indeed.
"Nobody can. He told me to do it or he'll kill me. I've got no choice."
"He cannot kill you if you are already dead. Come over to the right
side, Draco, and we can hide you more completely than you can possibly
imagine. What is more, I can send members of the Order to your mother
tonight to hide her likewise. Nobody would be surprised that you had
died in your attempt to kill me - forgive me, but Lord Voldemort
probably expects it. Nor would Death Eaters be surprised that we had
captured and killed your mother - it is what they would do themselves,
after all. Your father is safe at the moment.."