What are candid shots? what are posed shots? compare and contrast some of the advantages and disadvantages to these two approaches.

Candid Shots are those which are made  without the knowledge of the subject whereas Posed Shots have planned setting and subject knows that photo is being taken.
Advantages of candid shots are that they usually produce natural alive picture as people do not expect they are being captured. On the other hand, it can show person in awkward pose and spoil the shot.
Posed shots usually seem plastic.

i don’t know what it is

Her interest would be the first to attract her to read the book then would come connection with the character which would keep her interest in the book.