Every book of the Bible in a single phrase:
Genesis - The people of God
Exodus - The exit of God’s people
Leviticus - The priests of God
Numbers - The wandering of God’s people
Deuteronomy - The second law of God
Joshua - The advancement of God’s nation
Judges - The deterioration of God’s nation
Ruth - The preservation of God’s line
I and II Samuel - The choosing of God’s king
I and II Kings - The history of God’s kings and the people’s kings
I and II Chronicles - An alternate history of God’s kings and the people’s kings
Ezra - God’s law and temple restored
Nehemiah - God’s city rebuilt
Esther - God’s nation preserved
Job - God’s wisdom on suffering
Psalms - God’s wisdom on worship
Proverbs - God’s wisdom
Ecclesiastes - God’s wisdom on emptiness
Song of Solomon - God’s wisdom on sexuality
Isaiah - God’s prophet of redemption
Jeremiah - God’s prophet of repentance
Lamentations - God’s prophet weeps as God’s city burns
Ezekiel - God’s prophet of return
Daniel - God’s prophet of revelation
Hosea - Israel and God’s mercy
Joel - Israel and God’s judgment
Amos - Israel and God’s rebuke
Obadiah - Israel and God’s enemies
Jonah - Israel and God’s grace
Micah - Israel and God’s uniqueness
Nahum - Israel and God’s anger
Habakkuk - Israel and God’s presence
Zephaniah - Israel and God’s redemption
Haggai - Israel and God’s house
Zechariah - Israel and God’s visions
Malachi - Israel and God’s money
Matthew - Jesus is the fulfillment
Mark - Jesus is the victor
Luke - Jesus our brother
John - Jesus is God
Acts - Jesus’ church begins and overcomes
Romans - Jesus’ Church Victorious over ignorance
I Corinthians - Jesus’ Church Victorious over sin
II Corinthians - Jesus’ Church Victorious over Attackers
Galatians - Jesus’ Church victorious over legalism
Ephesians - Jesus’ Church victorious through Jesus, Himself
Philippians - Jesus’ Church victorious over selfishness
Colossians - Jesus’ Church victorious over heresy
I Thessalonians - Jesus’ Church Victorious through persecution to the End
II Thessalonians - Jesus’ church victorious through deliverance from evil
I Timothy - God’s pastors and leading well
II Timothy - God’s pastors and suffering well
Titus - God’s pastors and teaching well
Philemon - God’s righteous restoration
Hebrews - Jesus followers hold him over everything in faith
James - Jesus followers and righteous living
I Peter - Jesus followers and holiness during suffering
II Peter - Jesus followers and knowledge leading to righteousness
I John - Jesus followers and knowing that you are saved
II John - Jesus followers and overcoming false teaching
III John - Jesus followers and living in love
Jude - Jesus followers and persevering to the end
Revelation - Jesus comes back and wins in the end