Check out these awesome airplane bookends from Bader Models. Love that “flying through” effect. The planes are realistic models available in any aircraft style or airline design you want. Since they are custom made they will run you a pricey $300 each. For $100 less you can get the neat airplane engine bookends shown below, also available in any engine style:
Made in and shipped from the Kingdom of Bahrain, so shipping is sky high at $70 each. Neato.