"Criminal Minds" alum Matthew Gray Gubler has found a unique way to advertise his new book, "The Little Kid With the Big Green Hand." In a video posted on Instagram, Gubler is seen driving a green VW Beetle with a giant hand attached to the roof. He announces his plans to embark on a cross-country road trip, which he calls the "Big Green Hand Tour," to personally deliver copies of his book to his loyal fanbase. The announcement caught the attention of his former co-stars Kirsten Vangsness and Paget Brewster, who expressed their excitement on Instagram. Gubler's followers were equally thrilled, with many eagerly asking for dates and towns where he would be stopping. While Gubler has not revealed the exact locations, a map he drew in the video suggests that he will be delivering books all over the country. It remains to be seen what Gubler has planned once the road trip is over. Additionally, fans were curious about Gubler's red Birkenstock sandals, which can be found on Amazon for $50 or a similar version for $20.