"{I don't believe it|I can't believe it|This is unbelievable|It's incredible}," {he said|he exclaimed|he muttered|he commented} as {the three of them|they all|they} {examined|looked at|inspected|studied} the signature on the {note|letter|message}. "{He|The person|The individual} {didn't even|never even|didn't|failed to} {look at|check|examine|consider} the {book|text|volume} {we wanted|we requested|we asked for|we were interested in}."
"{I don't believe it|I can't believe it|This is {unbelievable|incredible}|It's {truly|absolutely} {unbelievable|incredible}}," {he said|he exclaimed|he muttered|he commented{, shaking his head|}} as {the three of them|they all|they} {examined|looked at|inspected|studied} the signature on the {note|letter|message}{| carefully}. "{He|The person|The individual} {didn't even|never even|didn't|failed to} {look at|check|examine|consider} the {book|text|volume} {we wanted|we requested|we asked for|we were interested in}{| at all|, not even once}."