Former FBI Director James Comey James Brien ComeyDemocrats fear Russia interference could spoil bid to retake Senate Book: FBI sex crimes investigator helped trigger October 2016 public probe of Clinton emails Trump jabs at FBI director over testimony on Russia, antifa MORE made disparaging comments about President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE’s hands and his “orange” skin in descriptions of the president in his upcoming book.

The former FBI director, who is 6 feet 8 inches tall, wrote in "A Higher Loyalty: Truth, Lies, and Leadership” that Trump, who is 6 foot 3 inches tall, appeared to be smaller in real life than he did on television, according to excerpts reported by The Washington Post.

“His face appeared slightly orange with bright white half-moons under his eyes where I assumed he placed small tanning goggles, and impressively coifed, bright blond hair, which upon close inspection looked to be all his,” Comey wrote.

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“As he extended his hand, I made a mental note to check its size. It was smaller than mine, but did not seem unusually so,” he continued.

Comey also took a jab at Trump's strength in excerpts reported by ABC News.

He wrote, when describing his attempt to avoid Trump hugging him during a White House event: “He was not going to get a hug without being a whole lot stronger than he looked. He wasn’t.”

The former FBI director, who Trump fired last May, also knocked Trump’s character in the book, calling him "untethered to truth," according to The Associated Press.

Comey’s book will be released on April 17.