Possible Clues:

• Quite obvious and clear
• Evident, manifest
• It's obvious that Father turns up to be what he is
• Seeming to be real
• Plain paper can't be changed without carbon
• Seeming to turn old man against old man?
• Back dad and mum as such an heir?
• A page on pop, perhaps, is easy to understand
• A page guardian readily understood
• A couple of pages aren't readily understood