You don't have the options, but i would say it means that books can take us to another place mentally and take us away from our problems. Hope it helps !:)
Upon one's first consideration of Wilfred Owen's poem, "Dulce Et Decorum Est", the form<span> it takes appears conventional. ... However, a more significant formal feature of "</span>Dulce Et Decorum Est<span>" is the fact that Owen makes it look like a </span>poem<span> written in Iambic Pentameter.</span>
The allusion refers to Albert Einstein and his scientific ideas
It is There A trust me my guy