"Should you believe in the Trinity?" as it is explained by Jehovah's Witnesses in their booklet?

NO NO NO. Keep instead The Holy Bible in front of you, its The Only source of Correct information there is. God The Father, God The Son, God The Holy Spirit, are all within the pages of Scripture, ignore that trash and keep with The Bible instead, find out more free bible lessons www.vop.com and Please keep bible verses in context. God bless take care.