"{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}."
"{I {don't|cannot|just can't} believe it|This is {unbelievable|incredible|astounding}|It's {truly|absolutely|completely} {unbelievable|incredible|astonishing}}," {he {said|exclaimed|muttered|commented}|he {said|exclaimed|muttered|commented}{, {shaking|nodding} his head|}} as {the three of them|they all|the {group|trio}} {examined|looked at|inspected|studied|analyzed} the signature on the {note|letter|message|document}{| {carefully|closely|meticulously}}. "{He|The {person|individual|man}} {didn't even|never even|didn't|failed to|hasn't even} {look at|check|examine|consider|review} the {book|text|volume|publication} {we {wanted|requested|asked for}|we were {interested in|looking for|inquiring about}}{| at all|, not even once}."