Booing 
To dream of booing or that you are being booed suggests that you desire acceptance and admiration. You may also be harboring feelings of humiliation and disgrace due to something you have said or done.
Boots
To dream of seeing or wearing boots signifies your strong self-assurance. You are bold and confident.
Books
Books very prominently symbolize the quest for knowledge, wisdom, learning from others, and self-empowerment. Seeing a stack of books or being surrounded by books in your dream represents your thirst for knowledge and your desire to learn. Being surrounded by books of a specific genre can also say something about you and your waking life. For instance, being surrounded by fiction or romance books means you may wish to get lost in a story or romance. These types of books may also symbolize time to yourself and the classic idea of getting lost in a good book. Being surrounded by classic books and works of literature suggests you may have something to gain from those that are likely wiser than you such as teachers, parents, grandparents, or others. Classic works also serve as a reminder that great knowledge and talent is appreciated and remembered. This interpretation is important if your quest for knowledge and wisdom is driving your creative or imaginative work such as writing, music composition, dance, or other type of creative work.
Booger
Picking a booger in a dream symbolizes that you are ready to let your true self or at least a part of your true self, shine through for someone (or the world) to see. Dreaming of picking your booger in front of someone means you're trying to make a statement. When observing someone else picking their booger, consider how you feel right after. Feeling good or smiling means you wish to be closer to this person and you wish they would be more comfortable with you. Feeling disgusted at the person who picked a booger may be your subconscious mind reminding you not to judge others quite so harshly.
Bookmark
Dreaming of bookmarking a page is a symbol of inserting reality into a seemingly imaginative aspect of your life. For instance, a bookmark could be an indication of you blowing off a potential significant other because you believed this person to be too good to be true.
Alternatively, a bookmark can also symbolize progress, especially when you seem to have made a lot of progress in the book that appears in your dream.
Bookshelf
To dream of a bookshelf is a symbol of the diverse planes of your inner self that house all the aspects of your conscious and subconscious. This includes such factors as your feelings, emotions, and past recollections. It also implies that before you reach a choice, you need to review all of the available options and weigh the pros and cons.
Boomerang
A dream about seeing or tossing a boomerang tells you that you will reap what you sow, whether it's good or bad.
Boot Camp
A dream of participating in boot camp is generally your subconscious self remarking on your opinions of order, uniformity, and 'tough love' but it depends on the state of emotion in your dream. For instance, feeling miserable to be in boot camp may be a sign that you are getting exhausted from militaristic life style as of late. A dream of showing excitement to be in boot camp means your positive attitude is bringing good influence in your life.
Bookkeeper
To dream that you are a bookkeeper implies that you must try to synchronize all aspects of your life. It may also mean that you need to accept responsibility and admit your faults or flaws.
Book Store
To dream of a book store indicates that fictional and unrealistic ambitions will divert your attention from more important tasks and projects. These goals, if achieved, will prove fruitless and unfulfilling.
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